late last year, including drastically cutting staff, throwing out content moderation rules, and charging for verification. >> i think it's musk's hubris. musk ultimately does not look at anything that can compete at twitter, and there's not exactly a high view of zuckerberg or anything that comes out of meta. >> reporter: zuckerberg went online to mock musk in his first tweet in nearly 12 years. but musk isn't laughing, accusing zuckerberg of hiring twitter's laid-off workers to develop threads, writing, competition is fine. cheating is not. and a lawyer for musk sent a letter to zuckerberg threat fling to sue him, accusing meta of deliberately assigning employees to develop in a matter of months a copycat app. meta has stopped saying noner their threads engineers are former twitter employees. turning to the war in ukraine where there are new questions tonight concerning the whereabouts of the man who staged a brief revolt against

russia's military last month. we get the latest details from cbs's charlie d'agata i in ukraine. >> reporter: the warlord who speaearheaded thatat brazen,, i faililed, armed rebellion i in march on moscow less than two weeks ago is back on russian soil. at least according to the president of belarus, alexander lukashenko, who said today yevgeny prigozhin had returned home to st. petersburg. no evidence to back up those claims, and the mercenary leader hasn't been seen in public since trying to pull off that uprising. it comes as russian state media leaked images of an alleged raid of prigozhin's mansion, showing a stash of automatic weapons and ammo and a collection of wigs, including a series of photos purporting to show him wearing the wigs in a myriad of disguises. a far cry from the atrocities his wagner mercenary group is accused of on the battlefields

of ukraine, where russian missiles struck the city of what veev hundreds of miles from the front line, killing at least five and wounding dozens more. ukraine penetrated deep into russian-held territory with its own strike. russia said it landed in a residential neighborhood. the ukrainian military says the secondary explosions are proof the target was an ammunitions depot. cbs news has learned tonight that the biden administration is expected to announce that it will provide ukraine with cluster munitions, controversial weapons because of the potential to cause indiscriminate harm to the civilian population. jericka. >> charlie d'agata in ukraine, thank you. an aide to former president donald trump pleaded not guilty in a miami courtroom today. prosecutors say walt nauta helped trump hide classified documents from federal investigators. they say the 40-year-old was spotted on security cameras moving boxes from the storage room at trump's mar-a-lago

estate in florida. nauta, a navy veteran, faces 20 years in prison if convicted on the most serious charge, obstruction of justice. we have some breaking health news tonight. for the first time, the fda has given full approval to a drug that slows the progression of alzheimer's. more than 6 million americans are living with the disease. cbs news chief medical correspondent dr. jon lapook shows us how the long-awaited drug impacts the brain. >> reporter: today's approval of lecanemab is a step forward for a disease that has been largely untreatable. alzheimer's researcher dr. sam gandy consults for asai, the maker of lecanemab, but does not benefit financially from drug sales. >> lecanemab is the first consistent disease modifying therapy for alzheimer's disease. >> reporter: in alzheimer's patients, am lloyd proteins form plaques in the brain which interrupt normal communication between nerve cells, leading to

cognitive decline. lecanemab is an antibody that removes existing plaques and prevents new ones from forming. >> does this drug actually delay the decline in cognitive function? >> it slows the decline by about 27%. >> what does that translate to in months? >> about six months. >> reporter: that benefit was seen over 18 months in a clinical trial of patients with early alzheimer's. >> i think in a six-month period,lets of important things heap in families. >> reporter: lecanemab is given intravenously, costs more than $26,000 a year, and will be covered by medicare. researchers say it's not a cure and cannot restore memories. still, for patients like 79-year-old suzy mitchell, the drug is providing something that's hard to quantify -- hope. >> i want to maintain a good life. i do not wish to be dependent for the rest of my life. >> serious side effects included

bleeding in the pran, usually without symptoms, but something to be carefully monitored. trials are under way treating patients who have evidence of amyloid on screening blood and brain scans but no symptoms yet. jericka, imagine if we could actually prevent alzheimer's rather than waiting for the devastating symptoms to appear. >> yeah, good news for a lot of families out there. thank you, jon. well, there's a disturbing new study out today about the nation's drinking water. researchers found that nearly half of the tap water in this country contains potentially harmful compounds known as forever chemicals. they're linked to a wide range of health problems, including cancer, high blood pressure, and fertility issues. cbs's mark strassmann takes an in depth look at a new technology that could make so-called forever chemicals disappear. >> reporter: nasty cargo, 10,000 gallons of landfill water laced with pfas, a known carcinogen that nothing could get rid of until now. >> we are concentrating the nasty stuff to allow the

annihilator system to treat it. >> reporter: not just treat pfas, blast them out of existence. these so-called forever chemicals are manmade, used in teflon, firefighting foam, even facial makeup, and previously indestructible. last year we showed you ba tell, a nonprofit research institute doing a small-scale field test, distilling water into pfas concentrate, the really nasty stuff, for destruction. it worked. a technological first, leaving behind water and salt harmless to the environment. >> you've got to have enough force and energy to break those bonds. >> reporter: now another first, scaling that technology, like this forklift carrying the concentrate for treatment. the pfas annihilator lives inside this converted cargo container. with heat and pressure, it blasts the pfas concentrate. these forever chemicals gone without a trace within seconds. here in grand rapids, this

retold water treatment plant is north america's first permitted pfas remediation facility. >> were you convinced it would work? >> we had a lot of hope that it would. >> so how scalable is it? >> it could be much more scalable, much larger than this. >> reporter: this plant is treating a half million gallons a week. >> this is only the tip of the iceberg. us being able to get this scalable technology to market and to customers. >> reporter: for the first time, nothing about pfas is forever. mark strassmann, cbs news, grand rapids, michigan. there's new tonight about the company that owned

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the company that owned the titan submersible has officially suss spended operations. oceangate says all exploration and commercial operations are on hold after the implosion of the submersible headed toward the wreckage of the titanic. all five people on board were killed, including the company's ceo. the coast guard is still investigating what caused that disaster. well, tonight police in houston are investigating the bizarre case of a young man who was reported missing as a teenager more than eight years ago. at a news conference today, police say rudy farias, now 25, actually returned home the day after he was reported missing in march of 2015. they say farias and his mother deceived officers by giving false names. last week, police found farias outside a church and sent him to

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the self-proclaimed white supremacist nodded yes when asked by the son of a victim if he was sorry. he's pleaded guilty to 90 federal charges, including hate crimes, for targeting latinos. he's expected to be sentenced to multiple life sentences in the coming days. well, a cruise came to a bumpy end today for nearly 4,500 passengers and crew aboard the ruby princess. the ship operated by princess cruises accidentally crashed into the dock while pulling into the port of san francisco today. no one was hurt, but you can see right there the rear corner of the ship was dented and scraped. the ship had just returned from a

finally tonight, it's nearly checkout time at the hotel california. ♪ on a dark desert highway ♪ ♪ cool wind in my hair ♪ >> the iconic rock band the eagles announced the first dates

of their long goodbye tour after more than 50 years on the road. the rock & roll hall of famers are one of music's best-selling groups in history, having sold more than 150 million albums worldwide. the long goodbye tour will begin on september 7th at new york's madison square garden and will continue into 2025. in a statement, the band said, this is our swan song, but the music goes on and on. and that's the overnight news for this friday. for some of you, the news continues. for others, check back later for "cbs mornings" and follow us online anytime at cbsnews.com. reporting from our nation's capital, i'm jericka duncan.

this is "cbs news flash." i'm shanelle kaul in new york. the company that owned the submersible that imploded on the way to the titanic's wreckage is suspending all exploration and

commercial operations. oceangate's ceo stockton rush was among the five people who died in the accident. the labor department says 4 million americans quit their jobs in may. the rate of people quitting is now only slightly higher than its pre-pandemic level, a sign the labor market may be cooling. and with a little bit of luck, you too could quit your job. the jackpot for tonight's mega millions drawing is up to $427 million with tomorrow's powerball drawing even higher at $590 million. for more, download the cbs news app on your cell phone or connected tv. i'm shanelle kaul, cbs news, new york. >> announcer: this is the "cbs overnight news." i'm jericka duncan in for norah. we begin tonight with another

day of brutal heat in more than half the country. more than 67 million americans in 31 states saw temperatures top 90 degrees today. the sizzling heat was felt all the way from the deserts of arizona to the lighthouses of maine. and if that's not hot enough, nearly 40 million of you experienced feels-like temperatures in the triple digits. cbs's manuel bojorquez will start us off tonight from miami. manny, good evening to you. >> reporter: jericka, good evening. the high temperature here in miami today was 95 degrees. but when you factor in the humidity, it felt like 110 degrees, all part of a heat dome that has parts of the country sweltering. even by south florida standards, this heat is excessive according to the national weather service, which issued an advisory for the third day in a row. >> it's toasty. it's toasty. >> even by miami standards. >> by miami standards. >> reporter: beau and his family are seeking shade.

others, the water from the dog days of summer. >> you can see it's hotter. you know, throughout the year. our winters are like that now. >> too quick? >> too quick. you blink your eyes, and they're gone. >> reporter: and it's not just florida. in bangor, maine, near record-high temperatures are keeping firefighters busy with emergency calls. >> none of us that live in maine are used to this kind of heat. >> reporter: while in upstate new york people flock to local pools to stay cool as heat indices approached 100. >> it's too hot, especially for kids. they get hot. they start getting aggravated. they just want to cool down in some sort of fashion. >> reporter: scientists like amy clement with the university of miami see a concerning trend. >> south florida is getting hotter, just like the rest of the world is getting hotter. >> reporter: by one calculation, the last three days have broken the record for the hottest average temperature on earth. >> this trend is not going to reverse on its own, and it won't reverse in the coming years.

>> reporter: for perspective, the number of days above 90 degrees per year in miami-dade county has been going up according to a county report. in 1960, it was 85. last year, it was 133. jericka. >> oh, my. manny bojorquez in miami, thank you. well, unfortunately this sometimes dangerous heat is expected to hang around for a few days. for more on that, let's bring in meteorologist chris warren from our partners at the weather channel. chris, good evening. >> reporter: good evening, jericka. so much of the u.s. being smothered by this summertime heat. record high today in west palm beach of 97. tomorrow it will be 92 degrees but feeling even hotter, feeling like triple digits throughout parts of the south, including florida. more summertime heat for the northeast as well. as manny just mentioned, the past three days, we've seen the hottest average global surface temperature on record. and likely a contributing factor to that, knowing so much of the

earth is covered with ocean, the oceans in part because of el nino here in the pacific warmer than average. but also, jericka, a lot of the atlantic surface water also running warmer than average. >> all right. chris, thank you. well, now to a massive fire on board a cargo ship that was docked at a port in newark, new jersey. it's been burning for nearly 24 hours. two firefighters were killed and five others injured as they battled the blaze that spread to three decks. cbs's elaine quijano reports tonight the ship was bound for west africa and carrying more than 1,000 vehicles. >> all units, evacuate yourself immediately. sound your airhorns. >> reporter: the massive fire began wednesday night around 9:30 on the cargo ship's tenth floor where at least six cars were engulfed in flames. the blaze quickly spread to the two other floors above. >> just to get a perspective of what we're talking about here, it's a very huge structure that

these guys had to breach. >> reporter: fire crews from multiple agencies responded. those first on board were overcome by heat. soon after, two newark firefighters became trapped. >> we've got a firefighter that's on the floor where they went in. he needs air. >> reporter: by the time help arrived, it was too late to save 45-year-old augusto acabou and 49-year-old wayne brooks. >> the firefighters last night, they displayed what it is to surely be a firefighter, and they paid the ultimate sacrifice. >> reporter: now there are questions about whether the firefighters were properly trained for this type of emergency. >> this vessel was unique because it's not like it's a residential ship or a yacht. it was a vessel that hauled cars, vehicles, a large amount of vehicles. >> reporter: fire crews remain on the scene here. the italian company that owns the ship said there were no electric vehicles or hazardous cargo on board. the cause of the fire is under

investigation. jericka. >> elaine, thank you. tonight, twitter is threatening to sue facebook's parent company, meta, over the company's new rival app called threads. twitter accuses meta of hiring its former employees and stealing trade secrets and the possible legal action comes as meta's ceo mark zuckerberg claims the new app has more than 30 million sign-ups on its first day. cbs's jonathan vigliotti has the new details. >> reporter: mark zuckerberg and elon musk have teased fighting each other in the ring, but tonight the tech titans are facing off in the virtual arena. threads, zuckerberg's answer to twitter, has tapped into instagram's 2 billion followers to quickly amass tens of millions of users in less than 24 hours, outpacing other twitter rivals. >> why has threads taken off in ways that other social media apps have not? >> it's super intuitive, and it's running really smoothly. so you can follow people that you already follow on instagram. they'll start following you, you

know, so you kind of have this built-in network already instead of having to go searching for the people that you've been following. >> reporter: the text-based conversation app linked to instagram debuted last night, days after musk came under fire for limiting the number of tweets users can read. many analysts say musk has made missteps since buying twitter late last year, including drastically cutting staff, throwing out content moderation rules, and charging for verification. >> i think it's musk's hubris. i mean musk ultimately does not look at anything that could compete with twitter, and there's not exactly a high view of zuckerberg or anything that comes out of meta. >> reporter: zuckerberg went online to mock musk in his first tweet in nearly 12 years. but musk isn't laughing, accusing zuckerberg of hiring twitter's laid-off workers to develop threads, writing, "competition is fine. cheating is not." and a lawyer for musk sent a letter to zuckerberg threatening to sue him, accusing meta of deliberately assigning employees

to develop, in a matter of months, a copycat app. meta has responded, saying none of their threads engineers are former twitter employees. jericka. >> jonathan vigliotti in los angeles, thank you. there's a lot more news ahead on the "cbs overnight news."

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thank you for staying with us. the gun violence archive reports since the start of july -- that's just seven days -- there have been at least 25 mass shootings nationwide. monday's shooting in philadelphia was one of the deadliest. five people killed, several injured. and the suspect, kimbrady carricker is in custody. police say he appeared to fire on people at random, and prosecutors say his behavior was bizarre leading up to the attack. lilia luciano reports from philadelphia. >> reporter: prosecutors say kimbrady carrikers roommate's avoided him. >> they thought he was getting more and more agitated as the days were passing, and their way of dealing with it was just to avoid it and not interfere with him. >> reporter: the 40-year-old alleged gunman was charged with five counts of first-degree murder wednesday after police say he carried an ar-15 style rifle and a 9 millimeter untraceable ghost gun to a southwest philadelphia neighborhood. surveillance video appears to show the moment he opened fire at random monday night, killing

five people and injuring several more, including twin 2-year-old boys when their mother's car was hit by bullets. >> how impactful has this crime been to this community? >> oh, this community is absolutely rocked. it's absolutely devastated. >> reporter: prosecutors say they recovered a will, additional ammo, and a gun at the suspect's home. the philadelphia sheriff says they're looking into disturbing social media posts, but they didn't elaborate. josephine's brother joseph was among the victims. >> i really love him, and the fact that you did this to us, like, for your own agenda, for your own reason, it's just really pissing me off. >> reporter: this year, more than 750 people in philadelphia have been the victim of a shooting. 190 have been killed. late wednesday, philadelphia mayor jim kenney filed a lawsuit against two major suppliers of untraceable gun parts. >> we are announcing the filing of this lawsuit to stop them from continuing to flood the streets of our city.

>> reporter: as yet another shaken community looks at each other to try and make sense of what happened. >> that was lilia luciano reporting. the white house is responding to the discovery of cocaine near a visitor's entrance in a well-traveled part of the west wing. caitlin huey-burns has more on the response and the sececret servicee ininvestigatioion. >> we havave confidedence thaha secret service is going to get to the bottom of this. >> reporter: as the secret service investigates who brought a small plastic bag of cocaine into the west wing, the white house maintains that many people had access to the area. >> where this was discovered is a heavily traveled area where many white house -- west wing, i should be even more specific, west wing visitors come through. >> reporter: the bag was discovered on the ground floor according to a senior law enforcement official, in a common area near the entry of the west wing. it was close to a set of storage cubbies where visitors leave their cell phones during a tour. >> the indications seem to me

that it probably was somebody involved in a tour because keep in mind, the secret service detailees to the white house and the white house staff are routinely drug tested at random. >> reporter: the white house confirms there were west wing tours on friday, saturday, and sunday. all visitors are vetted and go ththrough secururity beforee co on white house grounds. the secret service has a k-9 unit that checks for explosive devices and biohazardous materials, not specifically for narcotics. visitor logs and camera surveillance are now being searched for clues. >> i think in the end, they'll be able to screen it down well enough, but there is a possibility that you may never determine who did this. >> reporter: now, the incident has caused some to question the security protocols here at the white house and how illicit drugs could be brought in. republican senator tom cotton, who's a member of the judiciary

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between the two superpowers. elizabeth palmer reports from beijing. >> reporter: she'll have two days of high-level meetings with chinese officials, a quick trip meant to get the u.s./china relationship back onto a less hostile footing. but it is a tough assignment. this spring, xi jinping accused america of containment, encirclement, and suppression, basically trying to get in the way of china's rise as a superpower. he's angry about a whole raft of u.s. tariffs on chinese goods, and the biden administration's restrictions on the sale of advanced electronics to china on the grounds of national security. in a tit for tat move yesterday, china announced it would restrict the sale twof metals that it mines and that are essential to the manufacturer of microchips. neither side is expected to make significant concessions during these meetings, but at the very least, secretary yellen will try to head off further escalation.

after all, the u.s. and china, for better or for worse, are huge trading partners. and as the secretary herself has said, decoupling the two economies, ending that economic relationship, would be disastrous. >> that was elizabeth palmer reporting. turning now to the war in ukraine where we're seeing new attacks that are far from the front lines. this drone video shows the aftermath of a russian air strike on the western ukrainian city of lviv. it destroyed the roof and the top two floors of an apartment building there, killing at least five people. charlie d'agata has more from ukraine. >> reporter: overnight and hundreds of miles from any front line, russian missiles pierced downtown lviv, a city considered out of harm's way but nowhere is out of reach. and it's not just one way. this is a ukrainian air strike deep into russian-held territory. russia says it struck a

residential neighborhood. ukraine says those secondary explosions prove it was a direct hit on a weapons depot. while directly on the front line, the renewed specter of a nuclear disaster at the zaporizhzhia nuclear power plant, a new satellite image shows the six reactor buildings. both sides accuse each other of plotting to sabotage the russian-held plant. in the city of zaporizhzhia itself, government officials have warned residents to prepare for a nuclear emergency. >> it looks like normal life. we look at strollers. we look at cute children, but actually it's just like every second, threat of being murdered. it's like every second, threat of shelling. now it's even every second, threat of explosion of nuclear power plant. >> reporter: having fled russian-held territory with her son once already, yulia is ready

to flee again. "we will listen to the news, and if evacuation is necessary, we'll evacuate," she said. "we have no other option." iryna says she and her 8-year-old daughter alina, are used to living under the threat, saying, i think she will be ready for everything. but overhearing our conversation, alina doesn't look so sure she is. now, inspectors from the nuclear watchdog iaea say they've yet to observe any explosives at the plant. but they're now requesting full access in order to look into those claims that russian troops may have rigged explosives on two of the reactors. >> that was charlie zag ta reporting. ukraine is still pushing hard to be admitted into nato. president volodymyr zelenskyy believes membership and the protection it offers would finally end russia's efforts to overtake ukraine. but some nato allies believe it

could provoke russia even further. nato holds a summit next week in the baltic nation of lithuania, which is one of the nato members considered most at risk of potential russian aggression. cbs's holly williams flew on board a nato aircraft to see how allied air forces are carrying out drills to protect their airspace. >> reporter: at an air base in eastern europe, nato f-16 fighter jets are scrambled. flight crews from america's european allies have just 15 minutes to get airborne. this is just a drill, a training exercise, but the thrhreat is real.. sisince russiaa invaded ukraine last year, nato has ramped up its air policing along its eastern flank. nearly all the planes they intercept are russia military, flying close to nato airspace, sometimes with their transponders off, violating international regulations. last year, there were nearly 600

intercepts. we flew over europe in a refueling tanker. they are super close. i can make out the pilots in the cockpits. >> reporter: as nato fighter jets practiced intercepting us. >> if you leave them all alone unescorted and we have civilian airliners flying in the aim air pace, then you could potentially have a midair collision. >> reporter: major general harold van pay told us the baltic sea is a hot spot with russia on one shore as well as several of america's nato allies, including estonia, a tiny nation smaller than west virginia with a population of just over a million. >> when you have a bully in school, then the bully does not bully you when you have big friends. and this is the way nato works. >> reporter: on the ground, we met the prime minister of estonia, kaia cullis.

her country was once invaded and occupied by the soviet union. now independent estonia shares a border with russia. >> there's about 120 miles in that direction. >> yeah. >> russia? >> yeah. >> for countries like estonia, democracies that live in the shadow of russia, how important has american leadership been following the invasion of ukraine in terms of unifying nato's response? >> well, united states is the biggest ally in nato, and therefore everybody is looking up to america for leleadership. this i is a fundamental fight f freedomm that is going on. >> repeporter: but somee in the u.s. are questioning whether america should continue to support ukraine. >> i will have the disastrous war between rusussia and ukrain settled. it will be settled quickly, quickly. >> reporter: that could mean pressuring ukraine to give up part of its country for a truce,

and it makes some here in europe nervous. >> what keeps you up at night? >> one of the nightmares is that our unity is falling. now we have kept this unity, and i think my nightmare is related to this unity falling apart. >> that was holly williams reportrting. the "cbs o overnight n news" wie right back.

when you humble yourself under the mighty hand of god, in due time he will exalt you. hi, i'm joel osteen. i'm excited about being with you every week. i hope you'll tune in. you'll be inspired, you'll be encouraged. i'm looking forward to seeing you right here. you are fully loaded and completely equipped for the race that's been designed for you.

half of all americans are planning to travel this summer and pay for lodging. according to a survey by the consulting firm deloitte, that's up from 46% last year. with so many willing to pay, hotels are hoping to build some brand loyalty.

wendy gillette takes a look at the hard rock hotel chain that's been growing its fan base for decades. >> reporter: hard rock knows how to strike a chord, one that fills cafes and hotels across the world with groupies of its own, including lou mnuchinio from baio, new jersey. >> it's really the social aspect of it. i have met some of my best friends. >> reporter: he runs an international facebook fan page and has assembled a epic hard rock pin collection. his devotion to hard rock is its own world tour. he's hit more than 100 hard rock locations, including the original cafe in london, which opened in 1971. >> you get to walk into this place that has so much rock & roll history. >> reporter: hard rock has its name on more than 200 hotels, restaurants and casinos across the world. this is the newest right here in the heart of times square. hard rock hotel new york. inside, guests find the yankees theme stakehouse nyy. a roof tap terrace with expansive views of the city and

36 floors sprinkled with rock and roll history. >> this hotel takes all of the memorabilia that's new york centric. >> reporter: we also visited hard rock hotel maldives for a special rate. brand loyalty brings guests all the way to the indian ocean. >> we have guests traveling from argentina to dubai just to buy the t-shirts. >> reporter: some rooms feature private pools, record players, but the true splurge is the rock star villa with a pool, tuck tuck bar, and jukebox to keep the party rockin' all night long. wendy gillette, cbs news. and that's the overnight news for this friday. reporting from the nation's capital, i'm scott macfarlane. this is "cbs news flash." i'm shanelle kaul in new york. the company that owned the submersible that imploded on the way to the titanic's wreckage is suspending all exploration and commercial operations. oceangate's ceo, stockton rush,

was among the five people who died in the accident. the labor department says 4 million americans quit their jobs in may. the rate of people quitting is now only slightly higher than its pre-pandemic level, a sign the labor market may be cooling. and with a little bit of luck, you too could quit your job. the jackpot for tonight's mega millions drawing is up to $427 million with tomorrow's powerball drawing even higher at $590 million. for more, download the cbs news app on your cell phone or connected tv. i'm shan nearly 90 million americans faced scorching heat with the last three days likely the hottest ever on earth. so when might some relief be on the way? here are tonight's headlines. dangerous heat stretches from

the northeast to the southwest. >> when it's 90 degrees out, you know, it's too hot. the city of newark lost two of its bravest in a cargo ship fire. the firefighters died while battling flames that broke out last night on the tenth floor of the ship. instagram now has a new app. it's called threads. >> the app is seen as the most fierce competition yet to social media powerhouse twitter. >> we've got the digital cage match. that's what this play is from mark zuckerberg. he's playing to his ego of being able to undercut elon musk. russian police allegedly raid yevgeny prigozhin's mansion nearly two weeks after his armed revolt. but the mystery tonight, where is the wagner group's leader? alzheimer's breakthrough? the fda approves a drug that could slow down the progression of the disease. >> it's a miracle in my view that i can stay active and healthy and with it.

the republic health threat called pfas, forever chemicals, known carcinogens. now for the first time there's a way to blast them out of existence. >> this is only the tip of the iceberg. ♪ ♪ life in the fast lane ♪ and a swan song for the eagles. the iconic band announces its farewell tour. >> announcer: this is the "cbs overnight news." i'm jericka duncan in for norah. we begin tonight with another day of brutal heat in more than half the country. more than 67 million americans in 31 states saw temperatures top 90 degrees today. the sizzling heat was felt all the way from the deserts of arizona to the lighthouses of

maine. and if that's not hot enough, nearly 40 million of you experienced feels-like temperatures in the triple digits. cbs's manuel bojorquez will start us off tonight from miami. manny, good evening to you. >> reporter: jericka, good evening. the high temperature here in miami today was 95 degrees. but when you factor in the humidity, it felt like 110 degrees, all part of a heat dome that has parts of the country sweltering. even by south florida standards, this heat is excessive according to the national weather service, which issued an advisory for the third day in a row. >> it's toasty. it's toasty. >> even by miami standards. >> by miami standards. >> reporter: beau and his family are seeking shade. others, the water from the dog days of summer. >> you can see it's hotter, you know, throughout the year. our winters are like that now. >> too quick? >> too quick. you blink your eyes, and they're gone. >> reporter: and it's not just florida.

in bangor, maine, near record-high temperatures are keeping firefighters busy with emergency calls. >> none of us that live in maine are used to this kind of heat. >> reporter: while in upstate new york, people flocked to local pools to stay cool as heat indices approached 100. >> it's too hot, especially for kids. they get hot. they start getting aggravated. they just want to cool down in some sort of fashion. >> reporter: scientists like amy clement with the university of miami see a concerning trend. >> south florida is getting hotter, just like the rest of the world is getting hotter. >> reporter: by one calculation, the last three days have broken the record for the hottest average temperature on earth. >> this trend is not going to reverse on its own, and it won't reverse in the coming years. >> reporter: for perspective, the number of days above 90 degrees per year in miami-dade county has been going up according to a county report. in 1960, it was 85. last year, it was 133. jericka.

>> oh, my. manny bojorquez in miami, thank you. well, unfortunately this sometimes dangerous heat is expected to hang around for a few days. for more on that, let's bring in meteorologist chris warren from our partners at the weather channel. chris, good evening. >> reporter: good evening, jericka. so much of the u.s. being smothered by this summertime heat. record high today in west palm beach of 97. tomorrow it will be 92 degrees but feeling even hotter, feeling like triple digits throughout parts of the south, including florida. more summertime heat for the northeast as well. as manny just mentioned, the past three days, we've seen the hottest average global surface temperature on record. and likely a contributing factor to that, knowing so much of the earth is covered with ocean, the oceans in part because of el nino here in the pacific warmer than average. but also, jericka, a lot of the atlantic surface water also running warmer than average. >> all right. chris, thank you. well, now to a massive fire

on board a cargo ship that was docked at a port in newark, new jersey. it's been burning for nearly 24 hours. two firefighters were killed and five others injured as they battled the blaze that spread to three decks. cbs's elaine quijano reports tonight the ship was bound for west africa and carrying more than 1,000 vehicles. >> all units, evacuate yourself immediately. sound your air horns. >> reporter: the massive fire began wednesday night around 9:30 on the cargo ship's tenth froor floor, where at least six cars were engulfed in flames. the blaze quickly spread to the two other floors above. >> just to get a perspective of what we're talking about here, it's a very huge structure that these guys had to breach. >> reporter: fire crews from multiple agencies responded. those first on board were overcome by heat. soon after, two newark firefighters became trapped. >> we've got a firefighter that's on the floor where they went in. he needs air.

>> reporter: by the time help arrived, it was too late to save 45-year-old augusto acabou and 49-year-old wayne brooks. >> the firefighters last night, they displayed what it is to surely be a firefighter, and they paid the ultimate sacrifice. >> reporter: now there are questions about whether the firefighters were properly trained for this type of emergency. >> this vessel was unique because it's not like it's a residential ship or a yacht. it was a vessel that hauled cars, vehicles, a large amount of vehicles. >> reporter: fire crews remain on the scene here. the italian company that owns the ship says there were no electric vehicles or hazardous cargo on board. the cause of the fire is under investigation. jericka. >> elaine, thank you. there's a lot more news ahead on the "cbs overnight news."

tonight, twitter is threatening to sue facebook's parent company, meta, over the company's new rival app called threads. twitter accuses meta of hiring its former employees and stealing trade secrets and the possible legal action comes as meta's ceo mark zuckerberg claims the new app has more than

30 million sign-ups on its first day. cbs's jonathan vigliotti has the new details. >> reporter: mark zuckerberg and elon musk have teased fighting each other in the ring, but tonight the tech titans are facing off in the virtual arena. threads, zuckerberg's answer to twitter, has tapped into instagram's 2 billion followers to quickly amass tens of millions of users in less than 24 hours, outpacing other twitter rivals. >> why has threads taken off in ways that other social media apps have not? >> it's super intuitive, and it's running really smoothly. so you can follow people that you already follow on instagram. they'll start following you, you know, so you kind of have this built-in network already instead of having to go searching for the people that you've been following. >> reporter: the text-based conversation app linked to instagram debuted last night, days after musk came under fire for limiting the number of tweets users can read. many analysts say musk has made missteps since buying twitter

late last year, including drastically cutting staff, throwing out content moderation rules, and charging for verification. >> i think it's musk's hubris. i mean musk ultimately does not look at anything that could compete with twitter, and there's not exactly a high view of zuckerberg or anything that comes out of meta. >> reporter: zuckerberg went online to mock musk in his first tweet in nearly 12 years. but musk isn't laughing, accusing zuckerberg of hiring twitter's laid-off workers to develop threads, writing, "competition is fine. cheating is not." and a lawyer for musk sent a letter to zuckerberg threatening to sue him, accusing meta of deliberately assigning employees to develop, in a matter of months, a copycat app. meta has responded, saying none of their threads engineers are former twitter employees. >> jonathan vigliotti in los angeles, thank you. turning to the war in ukraine where there are new questions tonight concerning the whereabouts of the man who staged a brief revolt against

russia's military last month. we get the latest details from cbs's charlie d'agata in ukraine. >> reporter: the warlord who spearheaded that brazen, if faililed, armed rerebellion in march on mososcow less thahan t weeks ago is back on russian soil. at least according to the president of belarus, alexander lukashenko, who said today yevgeny prigozhin had returned home to st. petersburg. no evidence to back up those claims, and the mercenary leader hasn't been seen in public since trying to pull off that uprising. it comes as russian state media leaked images of an alleged raid of prigozhin's mansion, showing a stash of automatic weapons and ammo and a collection of wigs, including a series of photos purporting to show him wearing the wigs in a myriad of disguises. a far cry from the atrocities his wagner mercenary group is accused of on the battlefields of ukraine, where russian

missiles struck the city of lviv hundreds of miles from the front lne, killing at least five and wounding dozens more. ukraine penetrated deep into russian-held territory with its own strike. russia said it landed in a residential neighborhood. the ukrainian military says the secondary explosions are proof the target was an ammunitions depot. cbs news has learned tonight that the biden administration is expected to announce that it will provide ukraine with cluster munitions, controversial weapons because of the potential to cause indiscriminate harm to the civilian population. jericka. >> charlie d'agata in ukraine, thank you. an aide to former president donald trump pleaded not guilty in a miami courtroom today. prosecutors say walt nauta helped trump hide classified documents from federal investigators. they say the 40-year-old was spotted on security cameras moving boxes from the storage room at trump's mar-a-lago estate in florida.

nauta, a navy veteran, faces 20 years in prison if convicted on the most serious charge, obstruction of justice. we have some breaking health news tonight. for the first time, the fda has given full approval to a drug that slows the progression of alzheimer's. more than 6 million americans are living with the disease. cbs news chief medical correspondent dr. jon lapook shows us how the long-awaited drug impacts the brain. >> reporter: today's approval of lecanemab is a step forward for a disease that has been largely untreatable. alzheimer's researcher dr. sam gandy consults for eisai, the maker of lecanemab, but does not benefit financially from drug sales. >> lecanemab is the first consistently effective disease-modifying therapy for alzheimer's disease. so i think that qualifies it as a game-changer. >> reporter: in alzheimer's patients, amyloid proteins form plaques in the brain which interrupt normal communication between nerve cells, leading to cognitive decline.

lecanemab is an antibody that removes existing plaques and prevents new ones from forming. >> does this drug actually delay the decline in cognitive function? >> it slows the decline by about 27%. >> what does that translate to in months? >> about six months. >> reporter: that benefit was seen over 18 months in a clinical trial of patients with early alzheimer's. >> i think in a six-month period, lots of important things happen within families -- births, deaths, weddings. >> reporter: lecanemab is given intravenously, costs more than $26,000 a year, and will be covered by medicare. researchers say it's not a cure and cannot restore memories. still, for patients like 79-year-old suzy mitchell, the drug is providing something that's hard to quantify -- hope. >> i want to maintain a good life. i do not wish to be dependent for the rest of my life. >> serious side effects included

bleeding in the brain, usually without symptoms, but something to be carefully monitored. trials are under way treating patients who have evidence of amyloid on screening blood and brain scans but no symptoms yet. jericka, imagine if we could actually prevent alzheimer's rather than waiting for the devastating symptoms to appear. >> yeah, good news for a lot of families out there. thank you, jon. well, there's a disturbing new study out today about the nation's drinking water. researchers found that nearly half of the tap water in this country contains potentially harmful compounds known as forever chemicals. they're linked to a wide range of health problems, including cancer, high blood pressure, and fertility issues. cbs's mark strassmann takes an in depth look at a new technology that could make so-called forever chemicals disappear. >> reporter: nasty cargo, 10,000 gallons of landfill water laced with pfas, a known carcinogen that nothing could get rid of until now. >> we are concentrating the nasty stuff to allow the

annihilator system to treat it. >> reporter: not just treat pfas, blast them out of existence. these so-called forever chemicals are manmade, used in teflon, firefighting foam, even facial makeup, and previously indestructible. last year we showed you battelle, a nonprofit research institute doing a small-scale field test, distilling water into pfas concentrate, the really nasty stuff, for destruction. it worked. a technological first, leaving behind water and salts harmless to the environment. >> you've got to have enough force and energy to break those bonds. >> reporter: now another first, scaling that technology, like this forklift carrying the concentrate for treatment. the pfas annihilator lives inside this converted cargo container. with heat and pressure, it blasts the pfas concentrate. these forever chemicals gone without a trace within seconds. here in grand rapids, this retooled water treatment plant is north america's first

permitted pfas remediation facility. >> were you convinced it would work? >> we had a lot of hope that it would. >> so how scalable is it? >> it could be much more scalable, much larger than this. >> reporter: this plant is treating a half million gallons a week. >> this is only the tip of the iceberg of us being able to get this scalable technology to market and to customers. >> reporter: for the first time, nothing about pfas is forever. mark strassmann, cbs news, grand rapids, michigan. there's news tonight about there's news tonight about the company that some l luxury creaeams justst sit on totop of skin. but ololay goes 10 surfaface layers s deep. our clininically proven hydydration beatats the $50000 cream. to strenengthen my s skin for smsmoother, brighterer results.. yoyour best skskin yet. olayay. (peaceful music) - time to get up, sweetie! (kissing) - [child voiceover] most people might not think much about all the little things you do every day,

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the self-proclaimed white supremacist nodded yes when asked by the son of a victim if he was sorry. he's pleaded guilty to 90 federal charges, including hate crimes, for targeting latinos. he's expected to be sentenced to multiple life sentences in the coming days. well, a cruise came to a bumpy end today for nearly 4,500 passengers and crew aboard the "ruby princess." the ship operated by princess cruises accidentally crashed into the dock while pulling into the port of san francisco today. no one was hurt, but you can see right there the rear corner of the ship was dented and scraped. the ship had just returned from a trip to alaska. the "cbs overnig

finally tonight, it's nearly checkout time at the hotel california. ♪ on a dark desert highway ♪ ♪ cool wind in my hair ♪ >> the iconic rock band the eagles announced the first dates of their "long goodbye" tour

after more than 50 years on the road. the rock & roll hall of famers are one of music's best-selling groups in history, having sold more than 150 million albums worldwide. "the long goodbye" tour will begin on september 7th at new york's madison square garden and will continue into 2025. in a statement, the band said, this is our swan song, but the music goes on and on. and that's the overnight news for this friday. for some of you, the news continues. for others, check back later for "cbs mornings" and follow us online anytime at cbsnews.com. reporting from our nation's capital, i'm jericka duncan.

this is "cbs news flash." i'm shanelle kaul in new york. the company that owned the submersible that imploded on the way to the titanic's wreckage is suspending all exploration and commercial operations. oceangate's ceo, stockton rush,

was among the five people who died in the accident. the labor department says 4 million americans quit their jobs in may. the rate of people quitting is now only slightly higher than its pre-pandemic level, a sign the labor market may be cooling. and with a little bit of luck, you too could quit your job. the jackpot for tonight's mega millions drawing is up to $427 million with tomorrow's powerball drawing even higher at $590 million. for more, download the cbs news app on your cell phone or connected tv. i'm shanelle kaul, cbs news, new york. it's friday, july 7th, 2023. this is the "cbs morning news." tracking extreme weather. heat alerts are up for millions of americans as triple-digit temperatures grip parts of