touches down in the bay area, the team effort to find these animals homes. we're back in 30 minutes. captioni captioning sponsored by cbs >> he is begging for war. >> quijano: he is kim jong-un. the trump administration warned him that the u.s. is running out of patience after north korea's latest nuclear test. also tonight, what's in the water. >> it's pretty ugly out here. >> quijano: harvey's filthy floodwaters may pose a health risk. >> i know the water is probably pretty bad, a lot of bacteria. >> quijano: irma, a powerful category four hurricane, is threatening the caribbean. fear of deportation as the president nears a decision on the future of undocumented immigrants brought to the u.s. as children.

and an irregular air force takes to the sky to help houston recover from the disaster. this is the "cbs evening news." >> quijano: good evening. i'm elaine quijano. this is our western edition. as america celebrates the labor day holiday, there is talk of war. at the united nations today, ambassador nikki haley said the united states does not want war, but north korea's president is begging for it. after kim jong-un's most powerful nuclear test yet, haley warned there are limits to america's patience. she pressed the security council for more sanctions against the rogue nation and south korea put on a show of military muscle. where is all this headed? we have reports from the pentagon, the white house, and seoul. first national security correspondent david martin. >> reporter: look at the warhead north korea showed off over the weekend, calling it a thermonuclear weapon with great destructive power.

then look at the size and shape of a u.s. thermonuclear warhead, and you will understand why nuclear weapons experts call those north korean pictures alarming. couple that with the underground test of what north korea called a hydrogen bomb and what a u.s. intelligence official said was certainly a test of an advanced nuclear device. undersecretary general jeffrey feldman described the blast to an emergency session of the u.n. security council. >> experts have estimated a yield of between 50 and 100 kilo tons or on average more than five times more powerful than the weapon detonated over hiroshima and at the low end of the yield of a modern thermonuclear weapon. >> reporter: it is not known if the device detonated underground would fit in the warhead north korean scientists showed off to kim jong-un. it is also not known if the warhead is a model or the real thing, but it is clear north korea is closing in on its goal of developing a thermonuclear warhead that could fit on a

long-range missile capable of reaching the united states. the north koreans said the warhead could be detonated at high altitudes for a super- powerful electromagnetic pulse attack. >> an electromagnetic pulse, which triggered by a nuclear weapon would aim for widespread damage and destruction for electricity grids and sensitive electronics, including satellites. >> reporter: north korea will need new tests to know if the warhead can withstand the stress of reentering the atmosphere after an intercontinental flight, but right now it seems like only matter of time. elaine? >> quijano: david martin, thanks. president trump had his representative at the united nations deliver the latest warning to kim jong-un today. here's chief white house correspondent major garrett. >> reporter: at the second security council session on north korea in a week, u.s. ambassador nikki haley said enough is enough. >> the time for half measures in the security council is over. the time has come to exhaust all

of our diplomatic means before it is too late. >> reporter: haley said north korea's reported test of a hydrogen bomb in defiance of new u.n. sanctions shows dictator kim jong-un is spoiling for a conflict. >> he is begging for war. war is never something the united states wants. we don't want it now. but our country's patience is not unlimited. >> reporter: that followed an ominous warning from defense secretary james mattis after a sunday national security meeting at the white house. >> any threat to the united states and its territories, including guam or our allies, will be met with massive military response, a response both effective and overwhelming. >> reporter: on twitter over the weekend, president trump accused south korea of toying with talk of appeasement, and he said north korea's leader had become a threat and embarrassment to china, the country's closest ally and trading partner. south carolina republican

lindsey graham outlined the scenario where economic and diplomatic pressure fails. >> there will be an attack by the united states against his weapons systems. i'm assuming the worst. i'm assuming we drop one bomb, he fires at south korea and maybe japan. >> reporter: on "cbs this morning," former deputy c.i.a. director mike morrell outlined another option. >> his acceptance with where they are and where they're going with containment and deterrence, i think that's where we'll end up. >> reporter: the president spoke by phone today with south korean president moon jae-in and the two leaders agreed to amend the joint treaty between the united states and south korea, allowing south korea to expand, increase, if you will, the size and payload of its warheads on its missiles, and for the south to buy billions more in u.s.-made weapons. elaine? >> quijano: well, major, this appears to be a very scary situation. a lot of americans might be asking: are we closer to war?

>> reporter: the two nations are quite clearly on a collision course. so are the two nations closer to war than they were say a month ago? yes, they are. but closer does not mean close. diplomacy and economic pressure still have a long way to go. the treasury department is writing a new round of sanctions as we speak, and if there is a curtailing or ending of u.s. trade with nations that deal with north korea on a regular basis, like china, that could also change the calculus. >> quijano: major garrett at the white house. major, thanks. fear of war is greatest in south korea. asia correspondent ben tracy is there. >> reporter: south korea put on a dramatic show of force on monday, flying fighter jets and launching ballistic missiles. this military drill was designed to simulate an attack on north korea. seoul and its ten million people face the most immediate danger from north korea's growing arsenal of weapons. south korea is now allowing the united states to install four more thaad rocket launchers,

part of a controversial missile defense system. but at the same time, president trump has accused south korean president moon jae-in of trying to appease kim jong-un by favoring negotiations. this man in seoul said, "both kim jong-un and trump are unpredictable leaders. to be honest, it would not be strange if a war broke out." kim jong-un has rapidly accelerated his weapons program, conducting 18 missile tests so far this year, and what he would actually do with a nuclear- tipped missile is still not clear. >> the good news is that north korea is rational, they want to survive. >> reporter: daniel pinkston teaches international relations in seoul and is an expert on north korea's weapons program. is getting north korea to abandon these weapons a realistic goal, or is that a fantasy? >> it would be analogous to the pope coming out tomorrow and abandoning jesus christ. it's something so embedded in their belief system and their identity that it would be that

revolutionary. >> reporter: the south korean defense ministry says it is seeing signs that north korea might be preparing to launch another intercontinental ballistic missile that could coincide with a major holiday that takes place in north korea this coming weekend. elaine? >> quijano: ben tracy in seoul. ben, thanks. late today, florida governor rick scott declared a state of emergency ahead of irma. the category four hurricane, with winds of 130mph, is expected to strengthen tomorrow night as it approaches the eastern caribbean, including antigua and st. martin. hurricane watches are up in puerto rico and the virgin islands. irma may take aim at south florida as early as sunday. more than 50,000 texans who were displaced by hurricane harvey are staying in government-funded hotel rooms. harvey is now blamed for at least 59 deaths. texas governor greg abbott says

the total damage could reach $180 billion. and there is a new worry about all the flooding in an area that's been called "america's chemical coast." omar villafranca has that story. >> reporter: more than a week after harvey raked across southeast texas, our drone footage shows the floodwaters still surrounding the san jacinto superfund site where toxic dioxins from an old paper plant could have leaked. sam coleman is with the environmental protection agency. >> this san jacinto waste pit, most likely we will take some samples at this site. >> reporter: of the 41 superfund sites where waste metals were stored, 13 of them are flooded. with waters receding, workers were finally able to see several locations up close. >> you can see some of the debris and other things are still quite muddy. >> reporter: coleman says the san jacinto river waste pit will require help.

>> we have a team out looking at the cap area to see if there is in damage. >> reporter: that worries sandra carrasco, this mother of two who lives half a mile from the superfund site. >> this is my house, underwater. >> reporter: she returned home last week after ten feet of water destroyed her home. she has been cleaning up ever since. now you have a layer of sludge on the ground. >> yes. i know that the water is probably pretty bad, a lot of bacteria, a lot of dangerous hazards touching stuff, but we have to do what we have to do. >> reporter: she says no one from the e.p.a. or any other government agency has talked to them about the health risks posed by hazardous wastes. do you feel like they're forgetting about you? >> yes, i honestly do. >> reporter: the e.p.a. plans to test the water and the soil near the san jacinto superfund site,

they just isn't said when they will conduct those tests. residents hope it happens very soon. elaine. >> quijano: omar villafranca. omar, thanks. michelle miller spent the day with a health official that has been spreading the word about the health risks. >> the big key is that flooded water, as you know, is unsafe. >> reporter: dr. umir shaw is making the rounds in areas that were flooded in houston as the harris county public health director, he's warning residents about the risks they face while cleaning up their homes. >> the enemy of all this is mold, and mold loves moisture. >> seiomi meshak has seen a foot of water, and now mold is growing inside her garage and her house. when you took out the cabinetry and the sheetrock, were you wearing a protective mask? >> no. >> that's what we've been saying. make sure you're wearing protection when you do all of, this because what we don't want is while you're trying to help everything and get back to normal life is that you also get sick in the process.

>> reporter: dr. shaw says it's important the clean up fast because of what contaminated water leaves behind. floodwater can also harbor dangerous bacteria, which can enter the body through cuts and scrapes. >> we went to a couple spots that we saw earlier, where you saw nails. you just don't know if you're going to prick yourself and, bam, there you are, now you're at risk for tetanus. >> reporter: despite the hazard, residents have no choice but to clean up. >> some of this might be sewage waste, you don't know. >> reporter: but still you're out here? >> we have to get it cleaned up to get back in. >> reporter: on top of all of that, many of the estimated 100,000 homes that were flooded now have mountains of debris in front of them, still soaked with dirty water, they're sure to attract all kinds of critters that carry their own diseases. elaine? >> quijano: incredible challenges ahead. michelle, thanks. president trump will announce tomorrow that he is keeping a campaign promise and ending daca.

that is the obama-era program that protects undocumented immigrants brought to the u.s. as children from deportation. mireya villarreal now on shattered dreams. >> reporter: hurricane harvey has taken everything from this 22-year-old mother to-be. >> our baby crib we had just bought, you know, we were so happy, and now for it to be destroyed. >> reporter: cecilia, who asked us not to use her last name, came to the u.s. from el salvador when she was nine under the daca program. the college senior can apply for credit and housing. she worries the president's decision could rob her of a chance to rebuild. >> it's like bringing me back to the shadows. >> this is what immigrants look like. >> reporter: her fear is echoed around the country. thousands of dreamers and their supporters have been protesting, outraged the president is even considering changing daca. in california, 27-year-old anthony nong was breakthrough to america from the philippines when he was 12.

he's now a college grad with a political science degree. >> the biggest thing it did was allowed me to have a brighter future and a actual future that i could see. >> reporter: after receiving daca, 26-year-old reina montoya was not only able to drive legally, she earned a master's degree in secondary education, taught high school students and bought a home. >> if daca were to come to an end, it would mean that i would be placed in deportation proceedings and i would be placed in a land that i don't even remember. >> reporter: montoya has been in the u.s. since she was 13 years old after her family fled mexico. >> this is where we live. and it is terrifying to think that can be taken away with the stroke of a pen. >> reporter: hundreds of thousands of daca recipients work and pay taxes. it's estimated the u.s. would lose $460 billion from the national g.d.p. and $25 billion in social security and medicare tax contributions by phasing out the daca program. mireya villarreal, cbs news, los angeles.

>> quijano: coming up next on the "cbs evening news," he had just a minute and a half to save his dad from a wildfire. and later, some of the most important rescuers after harvey did not bring boats. bring boats. >> cbs news honored with 43 emmy nomination, including seven for the "cbs evening news." cbs news, original reporting at its best. and made old cars good as new. but i couldn't bear my diabetic nerve pain any longer. so i talked to my doctor and he prescribed lyrica. lyrica may cause serious allergic reactions, suicidal thoughts or actions. tell your doctor right away if you have these, new or worse depression, unusual changes in mood or behavior, swelling, trouble breathing, rash, hives, blisters, muscle pain with fever, tired feeling or blurry vision. common side effects: dizziness, sleepiness, weight gain, swelling of hands, legs, and feet. don't drink alcohol while taking lyrica. don't drive or use machinery until you know how lyrica affects you.

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in the hills surrounding los angeles. >> i think the fire started generating its own wind and just leaned forward and started charging down the hill faster than i could is run in front of it. >> reporter: sweltering 100- degree heat and late afternoon winds create fast-moving fire that sent burbank homeowners into a panic to get out with whatever they could carry. more than 1,000 firefighters battled flames as high as 50 feet, burning close to homes and right up to the edge of the freeway that connects los angeles to pasadena. los angeles fire chief ralph terraza. >> fire operations are not over. there's still a lot of work to be done. >> reporter: linda and sam sherdel lost everything in their sunland home. >> the next step is we don't know. we're just kind of living day by day right now. >> reporter: i want to show you, that used to be the sherdel's stove. what's left of the rest of their home is rubble and ash. the california national guard has called in 350 new members to

now fight fires across the state. >> quijano: all right, jamie yuccas, thank you. still ahead, as prince george starts school this week, his parents made a big announcement. today, we're out here with some big news about type 2 diabetes. you have type 2 diabetes, right? yes. so let me ask you this... how does diabetes affect your heart? it doesn't, does it? actually, it does. type 2 diabetes can make you twice as likely to die from a cardiovascular event, like a heart attack or stroke. and with heart disease, your risk is even higher. you didn't know that. no. yeah. but, wait, there's good news for adults who have type 2 diabetes and heart disease. jardiance is the only type 2 diabetes pill with a lifesaving cardiovascular benefit. jardiance is proven to both significantly reduce the chance of dying from a cardiovascular event in adults who have type 2 diabetes and heart disease and lower your a1c. jardiance can cause serious side effects including dehydration.

this may cause you to feel dizzy, faint, or lightheaded, or weak upon standing. ketoacidosis is a serious side effect that may be fatal. symptoms include nausea, vomiting, stomach pain, tiredness, and trouble breathing. stop taking jardiance and call your doctor right away if you have symptoms of ketoacidosis or an allergic reaction. symptoms of an allergic reaction include rash, swelling, and difficulty breathing or swallowing. do not take jardiance if you are on dialysis or have severe kidney problems. other side effects are sudden kidney problems, genital yeast infections, increased bad cholesterol, and urinary tract infections, which may be serious. taking jardiance with a sulfonylurea or insulin may cause low blood sugar. tell your doctor about all the medicines you take and if you have any medical conditions. so now that you know all that, what do you think? that it's time to think about jardiance. ask your doctor about jardiance. and get to the heart of what matters. so we know how to cover almost almoanything.hing even a swing set standoff.

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on your monthly bill. it just takes a few minutes to apply and you'll see the savings on your next bill. when having a little extra can mean a lot ...turn to care. go to pge.com/care and enroll today. >> quijano: drivers are experiencing some pain at the pump this holiday weekend. gas prices rose another two cents overnight. since hurricane harvey hit ten days ago, they're up 29 cents to nationwide average of $2.64 a gallon. that's 43 cents more than we were paying last labor day. one of the loudest cheers at the l.a. coliseum on saturday was for jake olson, a 20-year-old junior who dreamed of playing football for u.s.c. with time running out, he got his wish, leaning on a teammate as he took the field. olson lost his eyesight to cancer at age 12, and yet he delivered a perfect snap for an

extra point in the 49-31 win over western michigan. his teammates savored the moment. terrific. congratulations, jake. well, the royal family is growing. kensington palace announced today that prince william and wife kate are expecting their third child apparently in the spring. the future prince or princess will join siblings george and charlotte, bringing the family to five, a royal flush. very clever. up next, harvey's heroes with an eye in the sky.

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down in the bay area. the team effort, to find the animals homes. kp >> quijano: finally tonight, a lot of heroes stepped up after harvey walloped texas. some never had to get wet. tony dokoupil has their story. >> reporter: the havoc caused by

harvey is best seen from the air and best explored through the eye of a drone, which can safely survey downed power lines, glide over damaged roofs and even search for pets in places no boat can go. drones and their pilots have arrived from all over the country, like craig coker from san diego. >> i instantly dropped everything, my job obligations, kissed my wife and son good-bye, got a one-way ticket out here and try the make it happen. >> reporter: he's part of a loose-knit group of good samaritans, pulled into formation by a new app that helps match drone operators with first responders, businesses, and homeowners, anyone who needs a closer look at the damage. it works a bit like a ride- sharing app. people go to www.droneup.com, enter their request for help, and an alert goes the qualified pilots in the area. so far drone up says it's flown nor than 2,300 mission with more than 400 pilots. think of it as a new kind of air force, says drone up founder tom walker.

>> we have retired law enforcement, retired military, film crews. >> reporter: walker used to coordinate search and rescue for the navy. >> we've been responding every minute of daylight we've had available. >> reporter: now he's embracing modern technology for a new mission, helping houston rebuild. tony dokoupil, cbs news, new york. >> quijano: americans answering the call. that's the "cbs evening news" as we begin our 55th year as network television's first half- hour evening broadcast. i'm elaine quijano. good night. captioning sponsored by cbs captioned by media access group at wgbh access.wgbh.org half-hour evening news. i'

of smoky air.. and a brutal heat wave... relief is on the way. hi def doppler, even t ers. kpix5 news begins with the bay area getting a break after days of smoky air and a brutal heatwave. relief is on the way, hi-def doppler even tracking a few showers. good evening. i'm veronica de la cruz. >> i'm allen martin. a live view from a couple of our tower cameras, the san francisco skyline kind of tough to make out with all the haze, smoke from the california wildfires hanging over much of the bay area. it's the fifth straight spare the air alert and check this out, something we don't see very often, labor day rain showers. drivers in morgan hill saw some showers today. chief meteorologist paul deanno is tracking that little bit of rain and a big change in our weather. >> part of that change, part of getting back to normal, was this rain activity on kpix5 hi-

def doppler which has now left sonoma and napa county, a couple showers for the state capitol and showers heading directly toward clearlake, ukiah and beautiful mendocino county. temperatures right now, no one 10s. we had those. no one hundreds or 90s. we've cooled down to the 70s and 80s. currently 84 in san jose, only 78 in napa and san francisco and fairfield 81 degrees. the biggest changes, the one you will see in the air tomorrow, you will be able to see things tomorrow because the smoke will begin to move out as the ocean breeze returns. air quality will go from unhealthy for all which we've had three straight days back to moderate, which is normal air quality for this time of year, so things slowly getting back to normal for early september. we'll talk about how warm we'll be the next seven days coming up in a few minutes. not much of a view from these hillside homes in san mateo, a gray haze hang