♪ ♪ captioning sponsored by cbs >> dubois: on the "cbs evening news" this monday, panic as gunfire breaks out late today at the toronto raptors' victory parade. >> two people were shot during the championship celebration. you can see fans running for cover. >> toronto police say two people are in custody. >> people were running over the top of each other. >> holy crap. ( gunfire ) >> the terrifying scene as a masked gunman opened fire on a federal courthouse in dallas. >> the shooter died after a gunfight with police. >> your first instinct is to run. >> dubois: breaking news. newly released evidence points to iran in the tanker attacks, as the iranians step up their production of uranium. >> after eight years of civil war here in syria, the three million men, women, and children who live here are bracing for

what could be the bloodiest offensive yet. >> dubois: and, remembering gloria vanderbilt, heiress, artist, and designer. >> dubois: good evening. i'm maurice dubois. this is our western edition. a massive victory rally in toronto for the raptors erupted into chaos today. gunshots set off a stampede of people running for safety. at least four people were shot. arrests have been made. the panic broke out as an estimated crowd of two million celebrated canada's first n.b.a. championship. don dahler has more. >> reporter: cell phone video shows a sea of screaming parade- goers fleeing the scene of a shooting. ( gunfire ) confusion turned to panic and chaos. ross rheaume was caught in the stampede. >> a bunch of people were getting trampled over and over again. people were running over the top of each other. >> reporter: toronto police tweeted word of the incident shortly after 4:00 p.m.

"reports of a woman shot. people running from area. police/e.m.s. are on scene." police said there were four gunshot victims and two people in custody. >> this is crazy, yeah? >> reporter: at one point, the announcer interrupted the program to urge onlookers to stay calm, even as the raptor players remained on stage. toronto was celebrating the city's first n.b.a. championship after the raptors defeated the golden state warriors in game six. the crowd featured basketball players, canada's prime minister, and hip-hop star drake. police have not yet released a possible motive, nor the names of the victims and suspects. maurice, there were 60,000 people in the immediate area, and two million along the parade route. >> dubois: don dahler, thank you. tonight, we're learning more about the man who opened fire today on a courthouse in dallas. he was later killed in a shootout with federal officers. it turns out he was a former army private. what we don't know is his motive. here's j.d. miles from our dallas-fort worth cbs station

ktvt. >> reporter: cell phone video shows gunman brian isaack clyde running between parked cars and holding an assault rifle before storming a federal office building with 300 employees in downtown dallas. dressed in combat gear and a mask, witnesses say 22-year-old clyde started shooting at the door of the building before federal protective services officers returned fire. tim brown was in his apartment across the street when he heard the gunfire. >> we got swat coming through. ( gunfire ) holy crap! it looked like he had a mask on. that's when i realized, that's definitely not swat. then he started shooting inside the courthouse. >> reporter: residents in the area immediately began posting on social media. >> he had multiple, more than five, 30-round magazines on his person, so it's a lot of rounds, a lot of rounds at his disposal. >> reporter: the motive is unknown, but numerous facebook posts show clyde loading guns, posing with assault rifles and large amounts of ammunition. during a recent texas storm, clyde posted that he was ready

to protect himself. >> i'm ready. let's do it. >> reporter: the suspected shooter served in the army for two years. >> when i got out, i really didn't have any other options, so i figured, go to school. >> reporter: clyde was given c.p.r. at the scene, but later pronounced dead at a hospital. police shut down streets around the federal building and searched the suspect's vehicle with a bomb disposal robot. we are told no one was seriously injured, other than the gunman. police are aggressively pursuing and combing clyde's social media looking for clues or a motive. this incident happened only a block from where, three years ago, five dallas officers were shot and killed by another gunman. maurice? >> dubois: j.d. miles in dallas tonight, thank you. now to some breaking news. the pentagon has just approved sending an additional 1,000 u.s. troops to the middle east. also today, the pentagon released new images which it says provides further evidence that iran was behind the attacks on two tankers last week. david martin has late details.

>> reporter: the two tankers could be seen from space today at anchor in the gulf of oman, and one of them, up close in high resolution photos taken from a u.s. navy helicopter several hours after the explosions, which disabled them. an iranian patrol boat is alongside the tanker and, according to the pentagon, removes an unexploded mine attached to the hull. these photos show one of the magnets officials say was used to attach the mine to the hull, still stuck to the ship. the same scene was recorded in grainy video by a u.s. patrol plane and released last week, to back up u.s. claims iran is responsible for the attack. many allies remain unconvinced, but the democratic chairman of the house intelligence committee says there is no question iran is to blame. >> i think the evidence is very strong and compelling. in fact, i think this was a class-a screw-up by iran to insert a mine on a ship. it didn't detonate.

they had to go back and retrieve it. >> reporter: as the u.s. worked to build its case, iran announced it is increasing production of uranium, and by next week will be over the limit it is allowed to stockpile under an agreement signed by the obama administration, but disowned by the trump administration. iran and the other countries who had signed it have continued to abide by the treaty, until now. it was supposed to keep iran at least a year away from having enough uranium to build a bomb. daryl kimball of the arms control association says breaching the treaty will still leave iran several months away. >> they're going to be getting closer, but iran is calibrating each of these steps to create political leverage. they're not racing towards the bomb quite yet. >> reporter: secretary of state pompeo, who has been the point man in this confrontation with iran, is scheduled to visit the headquarters which controls u.s. military operations in the middle east tomorrow. maurice? >> dubois: david martin at the

pentagon. thank you very much. a family threatened at gunpoint by phoenix police is demanding the officers be fired. cell phone video shows the intense confrontation after an alleged shoplifting incident. the family is now suing the city for $10 million. jeff pegues is there. >> reporter: the cell phone videos were captured by witnesses to the may 27 confrontation. >> reporter: it shows officers with their guns drawn on a family of four. >> reporter: the parents' four- year-old took a doll from a dollar store, and police say dravon ames, the father, stole a pair of underwear and was driving with a suspended license. while ames was handcuffed, the officer kicks out one of his legs.

>> i thought we were all going to be executed. >> reporter: three weeks later, both dravon ames and his fiancée, iesha harper, remain shaken. in the middle of that confrontation, how did you think that was going to end up? >> i have no idea. i thought something bad was going to happen to me and my children at that moment. i thought i was going to be shot, like he told me. >> reporter: the family says the police chief's apology is not enough-- they want the officers involved fired. in an interview with cbs affiliate kpho, chief jerri williams acknowledged the officers crossed the line. >> today we are going through the process of identifying, yes, there was some misconduct, there was some egregiousness, absolutely. >> reporter: phoenix police have been accused of using excessive force in the past. in 2018, they were involved in more police-involved shootings than any other department in the country. earlier this year in an interview, williams promised that there would be changes. >> my agency is not afraid of the truth.

if there is something we can learn, let's learn it. let's fix it. >> reporter: the officers involved in this latest incident are on desk duty, pending the conclusion of an investigation. tomorrow, the mayor and the police chief will face the community in what is likely to be a heated town hall at a local church. maurice. >> dubois: jeff pegues in phoenix tonight. thank you. our cbs news/yougov 2020 battleground tracker has joe biden ahead among democrats nationwide in all the early primary states, but likely democratic voters tell us they are considering other candidates, as well. ed o'keefe has more on the race. >> i believe we can win texas and florida. >> reporter: for the first time since launching his campaign two months ago, former vice president joe biden shared a stage with fellow contenders today. >> i plan, if i'm your nominee, winning georgia, north carolina, south carolina, believe it or not. >> reporter: the new cbs news battleground tracker poll finds biden remains the first choice of democrats. he also leads in the early

primary states of iowa, new hampshire, and south carolina. but there was some skepticism about biden's standing after his appearance at a forum on poverty in washington. he doesn't do it for you? >> no, he doesn't do it for me. >> reporter: who are you hoping for? >> if i have to, if i have to, i will vote for him, though. >> he's riding on a reputation of his name recognition. as we get into the debates, it's going to be time to see whether he really-- whether he really has anything to offer us. >> reporter: meanwhile, massachusetts senator elizabeth warren is surging. so is south bend, indiana, mayor pete buttigieg. a virtual unknown six months ago, his campaign raised an impressive $7 million in april. >> i think it's safe to say that i'm not like the others. >> reporter: one poll released last night shows as many as five democrats topping mr. trump in a hypothetical match-up. >> i haven't even started yet. but we're getting tremendous polls. >> reporter: but the president is urging his supporters to ignore early polling. and he disputes intern trump campaign poll numbers leaked last week, showing him trailing biden in several key states.

>> those polls don't exist. but i just had a meeting with somebody that's a pollster, and i'm winning, everywhere. >> reporter: but this weekend the campaign fired the three pollsters responsible for the internal surveys. amid the shake-up, mr. trump is set to formally launch his 2020 reelection bid tuesday in orlando. florida is a must-win state for the president if he hopes to keep the white house. our poll found that more than seven in ten democrats say they want to hear from candidates about plans to cut healthcare costs. several are running on the issue, and president trump says he plans to release his own plan soon. maurice? >> dubois: ed o'keefe, thank you very much tonight. mohamed morsi, the imprisoned former president of egypt, collapsed today during a court hearing and was pronounced dead at a hospital. state tv says it was a heart attack. morsi was 67. a member of the muslim brotherhood, he became egypt's first democratically-elected president in 2012. a year later, he was ousted in a military coup and charged with

collaborating with militants. syria's government has begun a new bombing campaign in one of the last remaining areas it does not control after more than eight years of civil war. cbs news has gained rare access inside idlib province. holly williams filed this report. >> reporter: in idlib, the terror rains down from the sky. they have no defense here against syrian regime and russian air strikes. there was a ceasefire declared just a few days ago, but it was broken almost immediately, and there have been air strikes and shelling of civilian areas in the last 24 hours. as we drove deep into idlib, warnings came of regime jets overhead. where are the planes? how many planes? >> i don't know exactly, but, around us. there are two airplanes, maybe. >> reporter: two planes? our guide, hadi al abdullah, is

a media activist who has documented how pro-regime forces have repeatedly hit hospitals, despite condemnation from the united nations. the medical clinic in the town of haus was attacked just hours earlier, he told us. this was a clinic? a clinic for women and children? >> exactly. the clinic and the houses. >> reporter: houses? >> around this. >> reporter: why did they target this street? >> i don't know. >> reporter: we don't know. hundreds of thousands have fled the bombing and taken shelter in this sprawling refugee camp. on its edge, we found marwa ahmad and her eight children who left their home with nothing. marwa is pregnant, and said she plans to give birth here on the dirt. "i have nobody," she told us, "and there's no going back." there are a million children in idlib, innocent and too young to understand this war, but menaced

from the skies alongside their parents. holly williams, cbs news, idlib, syria. >> dubois: next on the "cbs evening news," are rising ocean temperatures behind the recent outbreak of shark attacks? and later, a court appearance for a woman accused of murdering her friend, a former state senator. g her friend, a former state senator. and recurring constipation. so i asked my doctor what else i could do, and i said yesss to linzess. linzess treats adults with ibs with constipation or chronic constipation. linzess is not a laxative, it works differently. it helps relieve belly pain and lets you have more frequent and complete bowel movements. do not give linzess to children less than 6, and it should not be given to children 6 to less than 18, it may harm them. do not take linzess if you have a bowel blockage. get immediate help if you develop unusual or severe stomach pain, especially with bloody or black stools.

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eye, just staring at you. >> reporter: shark attacks are still rare. worldwide last year, there were 66 unprovoked shark attacks, and four fatalities. north carolina averages three shark attacks a year, so three attacks in two weeks sounds like a lot. >> we put more people in the water, in their habitat. we have a large population of sharks. it's summertime. >> reporter: hap fatzinger directs the north carolina aquarium at fort fisher. >> i cannot say that climate change has anything to do with why these sharks are off our beach right now. >> reporter: this is where they belong, this is where you'd expect to find them? >> yeah, this is shark habitat. and this is, you know, where they're supposed to be. >> reporter: there are more sharks off the carolina coast. some studies say warmer waters are changing their migration pattern. fatzinger says, off north carolina's coast at any given time, there are roughly 50 species of sharks-- black tips, spinners, tiger sharks, bull sharks. some swim in waters as shallow as waist-deep. >> hundreds of thousands of people every single day on the beaches of north carolina.

these incidents are extremely rare. it's unfortunate it shed such a negative light on a species that is in such trouble across the globe. >> reporter: fatzinger says, if you're in the water and you even see a dolphin, head to shore. sharks could be feeding on the same school of fish. and just for perspective, maurice, a much greater threat than sharks out here are ripcurrents, which have already drowned seven people off north carolina's coast this year. >> dubois: so true. mark strassmann, thank you. coming up in just a moment, the o.j. simpson case, 25 years later, and where that white ford bronco is tonight. where that white ford bronco is tonight. with softer, bouncier gel waves, you'll move over 10% more than before. dr. scholl's. born to move. metastatic breast cancer is relentless, but i was relentless first. relentless about learning the first song we ever danced to. about teaching him to put others first. about helping her raise her first child.

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for supporting a plan to send criminal suspects, including political dissidents, to mainland china for prosecution. the protest march sunday drew nearly two million people. that's about a third of hong kong's population. an arkansas woman was arraigned today in the murder of former state senator linda collins. rebecca o'donnell is also charged with abuse of a corpse and tampering with evidence. collins was found dead nearly two weeks ago. o'donnell was a friend of collins, and a witness at her divorce trial. police have not released the cause of death or the motive. 25 years ago tonight, o.j. simpson led the police on a slow-speed chase through southern california. he was wanted for the murders of his ex-wife nicole brown and her friend ron goldman. but simpson took off with his friend a.c. cowlings at the wheel of that ford bronco. the chase was watched live by 95 million people. simpson is 71 now. this past weekend, he opened a

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>> dubois: gloria vanderbilt died today. she was 95. born into one of the country's wealthiest families, it seemed as if her entire life played out in the gossip columns-- the tragedy, her many loves, and turning blue jeans into high fashion. >> and here's the first movie of little gloria herself, frightened by the curious crowd. >> dubois: from an early age, gloria vanderbilt was scrutinized and glamorized. she lost her father at age two, and at ten, she became the center of a sensational custody battle between her mother and her aunt. she never liked what the papers called her, "the poor little rich girl." her childhood left her feeling isolated. >> i think many of us who have not had a family, a mother and a father, do have a sense of alienation and a sense of not belonging. >> reporter: a mother of four, vanderbilt first married at 17, and had three more husbands. her happiest marriage, she said, was with wyatt cooper, the

father of cnn anchor and "60 minutes" correspondent anderson cooper, and carter, who died in 1988 from an apparent suicide. >> after carter died, i really didn't think i was going to go on living, and in a way i did, as you do it moment to moment. >> reporter: vanderbilt's famous name propelled her fashion empire into a $100 million business, founded on those iconic jeans. >> i'm finding a lot of old letters. >> these will be fascinating to read. >> dubois: she wrote memoirs, including one with her son based on letters they had written to each other. >> what an extraordinary life. what an extraordinary mom. >> dubois: on cnn today, cooper gave a touching tribute to his mother. >> every time i kissed her good- bye, i'd say, "i love you, mom." she would look at me and say, "i love you, too. you know that." and she was right. i did know that. >> dubois: our deepest sympathies. that is the "cbs evening news." i'm maurice dubois. we'll see you ba here tomorrow

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right now it 7:00. >> one of the men at the center of the ghost ship warehouse trial takes the stand, how his testimony paints a different picture. -- right now at 7:00.>> -- a marine biological just said that allie the humpback whale is on the move. what this tremendous building means for the city of oakland. news at seven the clock starts now, the go ship warehouse fire trial. >> for the first time, defendant max harris took the stand, accused of playing a central role in the deaths of 36 people. >> as juliette goodrich reports, he is telling a different story.>> reporter: