In reverse. Riders sent airborne, slammed to the ground. And good evening. Im tom llamas in for david, and we begin at the scene of that deadly bridge collapse in miami. The agonizing wait for families and friends of victims. We now know a College Student is among the dead, and tonight that new video. It shows the moment the bridge came down without warning across several lanes of road killing at least six people. Teams of investigators, emergency crews, construction crews and engineers still on the scene. The 950ton bridge collapsing just days after being installed. Abcs Victor Oquendo again for us at the scene tonight. Reporter Traffic Cameras capturing the devastating moment that miami bridge collapsed trapping victims underneath. Now more than 24 hours after that deadly collapse were learning about the first victim. The miami herald reporting, 18yearold fiu freshman alexa duran is among the dead. Yesterday, she was driving by that bridge with a friend when her toyota was struck. Her friend survived. A desperate rescue mission now, a painstaking recovery amid the rubble. Our primary focus is to remove all of the cars and all of the victims in a dignified manner. Reporter to reach those eight cars pinned underneath 950 tons of concrete and steel, teams using heavy machinery to break the debris into smaller pieces. Authorities bracing to find more victims. We can assume theyre in there, but we cannot confirm identity of whos in there. Were caught in a bad place right now. Reporter for the families of the missing, it is an agonizing wait. Jorge and carol fragas are looking their uncle, 60yearold ronaldo fraga. We want to find out for sure if hes out there. Reporter tonight investigators zeroing in on the moments before the collapse when workers performed a stress test on the bridge. If it is a true stress test, generally theyre putting some load on it and seeing how the bridge reacts. Reporter senator marco rubio tweeting that, the cables that suspend the bridge had loosened and the Engineering Firm ordered they be tightened. They were being tightened when it collapsed today. All that work done as traffic whizzed by. The bridge, still under construction, was celebrated as a feat of modern engineering seen here being installed last saturday in a matter of hours. Today investigators pressed on whether it had adequate structural support. Thats part of our investigation. Our investigations are very comprehensive. They are thorough and they take awhile, but when we do it, well have those answers. Reporter the Florida Department of transportation saying that the university, which was in charge of the project, did not hire a prequalified company to do a secondary design check of the bridge. And a major statement there from florida dot. Victor joins us now from the scene of the collapse. What is the university saying about that company not being prequalified . Reporter tom, the president of the University Says they are investigating, but they only work with approved and certified contractors. Also tonight, word of another victim who died here, a worker, 37yearold Navarro Brown from another company. They tell us he was out here when that bridge went down. Tom . Victor oquendo with that sad, new development tonight. Victor, thank you. Now to the drama playing out at the white house. Growing questions about who is coming and going in the west wing. Three days after the firing of secretary of state Rex Tillerson, National Security adviser h. R. Mcmaster, va secretary, David Shulkin and hud secretary ben carson, are all said to be on thin ice. The white house insists no one is going anywhere, at least not yet. Heres abcs david wright. Reporter tonight the white house is trying to tamp down reports of an imminent cabinet shakeup. The staff actually just spoke to a number of staff this morning, reassuring them there were personnel changes, no immediate personnel changes at this time, and that people shouldnt be concerned. Reporter among the top officials whose jobs may be in danger, National Security adviser h. R. Mcmaster, who is known to have a contentious relationship with the president. Mcmaster was at the west wing today. Abcs tara palmeri caught up with him. Everybodys got to leave the white house at some point. Are you going sooner or later . Im doing my job. Reporter today press secretary Sarah Sanders specifically reassured mcmaster and insisted she was doing so at the president s behest. I spoke directly to the president last night, he asked me to pass that message along to general mcmaster. Reporter the president himself has been fueling speculation about a staff shakeup. Im really at a point where were getting very close to having the cabinet and other things that i want. Reporter in a week in which he fired the secretary of state, Rex Tillerson in a tweet, trump hinted at more bloodletting to come. There will always be change and i think you want to see change. And i want to also see different ideas. Taking two sentences out of the thousands of remarks that the president makes and making it look like thats the entire focus of his administration. He just nominated two new people to be part of his cabinet so we are getting close. All right, david wright joins us now from the white house, and we heard mcmaster say, quote, everybodys got to leave the white house at some point, and sources have told abc news there are some in the president s inner circle who may be in trouble of losing their jobs . Reporter well, tom, there has been a lot of behindthescenes chatter about Veterans Affair secretary David Shulkin, and also the housing and urban development secretary, ben carson. Both have faced scandals over ethics and spending and both have been summoned to the white house to talk about it. Also, there has been lots of speculation about the chief of staff, general john kelly although today, Sarah Sanders says his job is not at risk. Tom . David wright for us at the white house. David, thank you. Next to chilling new video from the pulse nightclub shooting in orlando. For the first time, were seeing images inside the club as the terror attack unfolded. Gunman omar mateen pledged allegiance to isis walking into the pulse armed with an Assault Rifle, killing 49 people. The video released at trial as prosecutors try to prove mateens widow, noor salman played a role in the attack. Were not showing all of the images because of their graphic nature, so we do want to warn you, some of the video is disturbing. Heres abcs linzie janis. Reporter prosecutors in the trial of noor salman showing jurors how casually omar mateen entered the pulse nightclub casing the venue for 11 minutes through that doorway a packed dancefloor. Mateen then leaving the club, moving his car to a closer spot before coming back in. This time with his Assault Rifle opening fire on that dancefloor. Then moving to another part of the club. Within six minutes, police entering through the lobby. Their guns drawn. As they see the full horror inside, officers yelling to the wounded to get out if they can. If you can walk shots fired. Reporter mateen holing up in the restrooms for the next three hours. Outside, s. W. A. T. Teams busting through an exterior wall. Shots fired. North bathroom. Shots fired, north bathroom. Reporter within moments, engaging mateen in a gun battle killing him. But not before he took 49 lives. Tom, salman denies knowing about her husbands plans and she pleads not guilty to providing support to a foreign terrorist organization, and obstruction of justice, tom. Linzie janis tonight. Thank you. Overseas now and stunning new developments in a mystery death of a russian dissident on british soil. Authorities confirming nikolai glushkov, you see him there, a critic of russian president Vladimir Putin was murdered in his home in london. Putin already blamed for the nerve agent attack on an exrussian spy raising tensions between former cold war adversaries. Abcs chief foreign correspondent, terry moran is in moscow. Reporter Counterterrorism Police and hazmatsuited technicians swarm a home in southwest london. Another russian victim in england, a fierce critic of Vladimir Putin. This man, nikolai glushkov, a former Top Executive at aeroflot, the russian airline, who fled russia and claimed asylum in britain in 2004, found dead monday. Police say it was compression of the neck, strangulation, and theyre now treating his death as a murder. Glushkovs killing came just over a week after russian spy Sergei Skripal and his daughter were poisoned by a militarygrade nerve agent in salisbury, england. And today, British Foreign minister Boris Johnson accused putin personally in that attack. We think it overwhelmingly likely that it was his decision to direct the use of a nerve agent. Reporter russia has denied any involvement. Putin today campaigning in a lab coat, ahead of sundays president ial vote and state tv this week showing a fawning documentary with this exchange. What is not possible to ever forgive . Betrayal. There is no suspense about who is going to win here on sunday. Putin is popular, even after 18 years in power, but he is feared here at home and around the world, tom. And new developments tonight on the u. S. Military chopper crash in iraq. U. S. Central command says seven American Service members were killed when their air force helicopter went down near the syrian border. A u. S. Official says the chopper may have hit a power line. New york mayor bill de blasio identifying two of the members of the fdny as Christopher Raguso and christopher zanetis. Next tonight, as we head into the weekend, the possible fourth noreaster in three weeks waiting on the other side. Heavy snow falling across the plains. Trucks sliding off interstate 90 in rapids city, south dakota and watch the snow on top of this truck clipping an overpass in massachusetts, knocking loose the protective netting. Lets get to weather anchor, sam champion who is joining us tonight, and were following a lot of weather tonight. We have. Just like we have forecasted the last three, well do the fourth. Lets start how we always do, and lets get to the boards. This is a storm that tonight is dropping snow in the sierras and california, and also into the rockies. Now we start the maps on monday morning, 7 00 a. M. The low is in oklahoma at that point, and no matter where the storm goes or what it is on the east coast, from dallas to atlanta, i want people to understand all weekend long, this will be severe weather, and there could be tornadoes even on sunday. Be careful with that. Now we go to tuesday at 7 00 p. M. , and you see our coastal low forming right there on the carolinas and virginia. Exactly as it has the past few times. This is where we have two models to watch. One model makes it a snow maker from washington, d. C. All the way into maine. The other model would pull it off the shoreline too far away for it to be a problem for the mid atlantic or new england, and tom, what i would always say is this far out, dont believe anyone who gives you totals and you and i will forecast this storm this weekend right here on abc. Sounds good. Could be a rough start to spring. Absolutely. Sam, thank you. Now to the manhunt under way in pasadena, california. Police searching for a suspect wanted for dropping a large boulder from a highway overpass, smashing through the windshield of a family car below, and a young husband and father killed because of it. His pregnant wife and 4yearold daughter in the car at the time. Heres abcs kayna whitworth. Reporter tonight a mother and wife pleading with the public for help after her husband was killed by a 35pound boulder while they were driving on a california freeway. If anybody saw anything, please help us. Reporter Guadalupe Gutierrez was driving, her 23yearold husband in the passenger seat, when police say their car was deliberately hit. That boulder did not come off the side of the freeway and strike the vehicle. That boulder was purposely moved and thrown from the overcrossing. Reporter gutierrez, pregnant with the couples second child. Their 4yearold daughter in the back seat when the basketball sized rock crashed through their windshield. Tom, california Highway Patrol is checking that boulder for dna evidence. They are also searching this area for surveillance cameras as they try to find whoever is responsible. Tom . Kayna whitworth for us, thank you. Next tonight, Southwest Airlines facing questions tonight. An adult and a toddler kicked off their flight in chicago. Heres abcs david kerley. Reporter the passenger with the 2yearold said he didnt understand. Because shes sitting. Shes been sitting for the last five minutes. Reporter the child had been crying, not sitting in her seat, but on the lap of the man who appears to be her father on the southwest flight from chicago. The family ordered to leave the aircraft. This is not helpful guys. You want to go to atlanta, or . The decisions been made. Reporter this all happening after the jet had headed to the runway and then back. Weve got an incident on board. Possible belligerent passenger. Were going to be returning to alpha 16 please. Reporter citing regulations, the Flight Attendant and a ground supervisor were adamant. Former pilot john nance calls that absurd. Just because somebody has authority does not mean that they need to use it in the draconian way that this was applied. Reporter in a statement, southwest says, a conversation escalated on board and the airline offered regret for the inconvenience, but the man seemed to get the last word. Im glad you screwed up everyones day. Reporter the family was put on the next flight to atlanta and southwest says it will reach out to the customers to listen to their concerns. Tom . David, thank you. And there is still much more ahead on world news tonight this friday. The ski lift disaster. The malfunction, the lift going backwards. Several riders sent airborne and slammed to the ground. Plus, the amber alert in mexico. Police now say a pennsylvania teen flew to cancun with a family friend who is married, and what she allegedly did to trick her school. Plus the powerful explosion caught on camera. Moments after firefighters told the homeowner, get out. Stay with us. Were out here with some big news. Jardiance is the only type 2 diabetes pill 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. Wow. 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. 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The chair lift malfunctioning, going haywire, hurling skiers in every direction. Reporter tonight, authorities are investigating how this ski lift went berserk. Social media videos captured the chaos. It starts with the figure in red, seemingly stuck in the snow. But this is just the beginning. The mechanism is going backwards and looks like its speeding up. Onlookers scream for others to jump before they get hurt too. Some dont get off in time, thrown like toys into the air. The woman in blue smashed into the machine. Riders crushed into the mangled metal. Now the chairs are piling up. Everyone frantic to warn those still coming of the danger. It happened in georgia, in eastern europe, and authorities there say at least 11 people sustained moderate injuries. One of them a pregnant woman. Early information suggests a cable stalled and came loose, causing the malfunction. While certainly dramatic, injuries on ski lifts are comparatively rare, especially in the u. S. Americans are five times more likely to die in an elevator. Still, this is pretty shocking. Tom . It is. James, thanks so much. When we come back, o. J. Simpson, his first extensive interview in more than a decade. What he said about his health, and quote, that whole l. A. Thing. Plus another mishap involving pets and a United Airlines flight. That flight diverted. Why the airline is now apologizing. Stay with us. Diverted. Why the airline is now apologizing. Stay with us. H us. Before you and your rheumatologist move to another treatment, ask if xeljanz xr is right for you. Xeljanz xr is a oncedaily pill for adults with moderate to severe ra for whom methotrexate did not work well. It can reduce pain, swelling and further joint damage, even without methotrexate. Xeljanz xr can lower your ability to fight infections, including tuberculosis. Serious, sometimes fatal infections, lymphoma and other cancers have happened. Dont start xeljanz xr if you have an infection. 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Gas, bloating, constipation and diarrhea can start in the colon and may be signs of an imbalance of good bacteria. Only Phillips Colon Health has this unique combination of probiotics. It helps replenish good bacteria. Get fourinone symptom defense. Time now for the index, and an amber alert in cancun for a missing pennsylvania teen. Authorities say 16yearold amy yu, you see her there, flew from philadelphia to cancun with 45yearold kevin esterly. Authorities say the two may have been romantically involved. He signed yu out of school ten times after she allegedly changed School Documents to identify him as her stepfather. A powerful home explosion in orange county, california. Take a look at this, the moment caught on police dashcam. Firefighters responding to a blaze in a mobile home telling residents to get out seconds before that blast. One minor injury reported. The case still under investigation. O. J. Simpson speaking out in his first extensive interview in a decade. The former football star responding to that recent airing of a 2006 interview called the lost confession emphasizing it was a hypothetical. Saying if he had confessed to killing his exwife Nicole Brownsimpson and ron goldman, quote, you would have heard about it 12 years ago. Simpson now on parole for an Armed Robbery and kidnapping conviction, refers to the murder trial in its aftermath as, quote, that whole l. A. Thing. He said he may be battling the brain disease, cte from his football days. And United Airlines with the third incident this week with a pet on a plane. A flight from newark to st. Louis diverted to akron after they realized a pet had been mistakenly loaded onto the plane. Earlier this week, another dog died during a flight in an overhead bin, and this german shepard was put on a plane to japan instead of kansas city, flown back on a Corporate Jet and reunited with his family. They said they will likely sue the airline. When we come back, march madness and the 98yearold helping her team write a cinderella story. Stay with us. We get so busy, day to day. We dont get the chance to connect. I think surprising my mom with a night ski trip would just be the biggest gift that i could give her. Director lets make that happen. Shes gonna be so excited. Introducing the suv equipped to make your firstever happen. The firstever Ford Ecosport is here. avo if yand constipation,ling and youre overwhelmed by everything youve tried all those laxatives, daily probiotics, endless fiber it could be wearing on you. Tell your doctor what youve tried, and how long youve been at it. Linzess works differently from laxatives. Linzess treats adults with ibs with constipation or chronic constipation. It can help relieve your belly pain and lets you have more frequent and complete bowel movements that are easier to pass. 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Scholls stylish step has insoles that are clinically proven to provide allday comfort. Dr. Scholls. Born to move. Finally tonight, america strong. The College Basketball team caught up in march madness and the 98yearold superfan with her own power play. Reporter down by one with less five seconds, one incredible shot and Loyola Chicago with a historical win. The players, the fans, overjoyed. And after that game winning threepointer, the star player, donte ingram, with a hug for one fan the whole team, the whole school, has grown to love. Sister jean dolores schmidt, 98 years old, the school knows here simply as sister jean. And they call her their secret weapon. Oh, i didnt know i was a secret weapon but i certainly know these fellas mean a lot to me. Reporter an academic adviser and the Loyola ChicagoTeam Chaplain wearing her custom made nikes. Just 5 feet tall right there in the huddle, reaching for that higher power before gametime. Good and gracious god, were here today to beat miami. Having her wisdom, its amazing. She motivates us before the games. She prays for us. Reporter but its more than prayers. The team says sister jean emails them advice, even scouting reports. How fortunate are they to have their own personal guardian angel. Reporter but sister jean quick to thank someone else for that win. Thank god thank god you did it. Because we knew we would do it. And good luck to the ramblers. We know sister jean will be rooting for them. Thanks so much for watching. Im tom llamas. I hope to see you right back here tomorrow night. Have a great evening. Have a great evening. Tonight, we remember a hero, a recent graduate of Stanford Law School who has given his life in service to his country. I was walking to my death. For the first time, these survivors are breaking their silence about the kidnapping that voyage Police Called a hoax. Their story is one you will hear only on abc7 news tonight. Heavy snow continues to fall this the sierra while rainfall tapers off in the bay area. A closer look in just a moment. Live where you live. This is abc7 news. Tonight, we remember a hero, a man who served his country both here and and died in the line of duty. Good evening, thank you for joining us. Im ama davis. Im dan ashy. An Air National Guard member, a new york firefighter, and Stanford Law School graduate Tripp Zanetis had a impressive legacy. He was killed in a crash that killed seven americans in iraq yesterday. Reporter 37yearold christopher Tripp Zanetis graduated from Stanford Law School last year with pro bono distinction, a recognition given to students who spent the most time doing legal work for free for those those who need it. Zanetis was one of seven Service Members killed yesterday when their chopper hit a power line and crashed in anbar province. He was certaining a tour with the new york Air National Guard. Officials say there were no signs of hostile fire though the investigation is in its early stages. By all accounts zanetis was a hero. Joined the new York City Fire department after the 9 11 attacks. In 2012 he was deployed in afghanistan with the Air National Guard. He was part of a team dubbed the fearless four who flew into combat to help injured american troops. They are credited with saving nearly 100 lives. Between 2014 and 2017, zanetis took unpaid leave from the Fire Department to pursue a law degree at stanford. There he was a member of the Stanford Law Veterans Organization and wrote passionately