on behalf of everyone in the state, including my family, our heart go goes out to anybody that was impacted by this. >> we have located up to four victims. >> four deceased? >> four deceased. >> the deceased have not bee identified as the recovery operations continue through the night. this morning, the main question, how does it happen? >> and the mueller investigation continues, the white house slaps sanctions against russia for cyber attacks on america's infrastructure. >> tad disturbing new warning that the department of homeland security and fbi announcing that russia keeps targeting key u.s. infrastructure systems. successfully getting in computer

networks of american energy companies. >> women, listen up. we will tell you seven places where you earn more money than men. and a preview of the white house plan to combat opioid addiction and a death penalty for drug dealers and one of the most creative job of indications t - job proposals that we have seen. >> a pedestrian bridge collapsed in florida, killing four people and injuring countless others. the officials say there were working on the bridge and multiple vehicles that were crushed when it came crumbling down near florida international university in miami, the stunned spectators described it. >> it sounded like the world was ending. you look back and all you see is the bridge on the floor. it was awful. >> the victims have not yet been identified. the walkway weighed 950 tons and was 174 feet long.

the bridge was designed to withstand hurricane force winds and was scheduled to open next year. the university said that it took six hours on saturday to install the walkway, using a relatively new bridge building technology. specifically designed to speed up construction while maintaining safety. we have the latest. >> reporter: the 950 ton pedestrian bridge collapsed without warning. >> the bridge is down. >> reporter: crushing cars and drivers pinned under massive slaps of concrete. >> it sounded like an earthquake. >> reporter: eyewitnesss in shock. >> it was like an explosion, it was like a bomb. >> reporter: she missed it by seconds. >> aim grateful to be alive -- i'm grateful to be alive. i was close to losing my life. >> reporter: the crews rushed in. >> we ran over and all the cars were crushed and people getting out and beeping, and beeping. we were terrified. >> reporter: the bridge next to florida international university was built after a student died

walking across the busy road. seen here in a rendering, it had just been installed on saturday. built using what is known as t accelerating building construction technology. a 175 foot section was prefabricated next to the street and moved in to position in hours. >> the risk that you do not get it right, there's bigger forces in the bridge than you expect. the construction, the company that built it said it's cooperating with investigators. and that our families and thoughts and prayers go out to everyone affected by this terrible tragedy. but it's not the first time that the company has been under scrutiny. it was sued after a bridge injured a tsa worker. that case is still pending. >> we are going to have the rescuers here throughout the night and if not longer. the focus at this point is going to remain on search and rescue. >> the national transportation safety board is sending investigators to the scene to

find out what went wrong. >> all right. gabe, thank you for that report. >> and could there soon be another high profile departure from the trump administration. the washington post and new york times reporting that president trump has decided to remove his national security adviser, hr mcmaster. five sources tell the post that president trump is actively looking for a replacement for mcmaster and taking his time so as to not humiliate the three-star army general. sources say that he is ready to leave and waiting for the president to ask. the story was broke earlier this month, saying that mcmaster could be replaced as early as april. should he be ousted, it will be the latest in a string of high profile departures. in the last few weeks, five top officials have resigned or been fired. but the white house is disputing the latest reports with the white house press secretary saying, just spoke to potus and general hr mcmaster, contrary to

reports they have a good working relationship and there's no changes at the national security council. russia is front and center in the white house, with the trump administration, announcing long awaited sanctions against malicious cyber attacks for meddling in the 2016 election. special council robert mueller issued a subpoena in the russia investigation. tracy, good morning. >> hey, let's talk about the sanctions. they are targeting 19 russians including some of those indicted here in the u.s. and five russian companies for as you said, cyber attacks and interfering in the election. also, president trump is now admitting that he believes it was russia that poisoned a british spy, a double agent, actually, and his daughter, using military grade nerve gas. that story breaking this week. all about russia, and the white house spokeswoman said, russia should be on alert. >> they are going to have to decide whether or not they want

to be a good actor or bad actor, i think you is see from the actions we have taken up to this point, we will be tough on russia until they decide to change their behavior. >> but are there any ties between russia and the president's personal business? that is something that special council robert mueller is going after. the new york times reporting that there's now a subpoena for the trump organization for documents including any that may be linked to russia or russian actors. the company said that they are cooperating. francis? >> another step here. thank you, tracy. >> one month after the deadly massacre at the parkland high school, the memorial for the 15 victims has been taken down. they will be stored away for future services and memorials, this as newly released video shows the actions of the armed school officer during the massacre, we have the details. >> reporter: the newly released surveillance video shows scott

peterson, 2:22 p.m., checking a door. according to a police timeline, confessed gunman cruz is already 1:00 in to his rampage and peterson is seen running. getting in to a golf cart and by 2:23 he is at the freshman building where he is still shooting. you can see students fleeing. newly released 9-1-1 calls revealing the terror inside. a student in hushed tones. >> a lot of bloork-- a lot of b please help, please. >> a teacher in a classroom. >> the shooting does not stop for another 5:00. and peterson never enters. that is him behind the pole. his attorney said that peterson believed that the shots were coming from outside. but listen to his own radio transmission, suggesting he may have believed gunfire was inside. >> shots fired. 1200 building. >> the sheriff publically condemned peterson who resigned.

>> is what should he have done? >> went in, addressed the killer. killed the killer. >> but peterson maintains he followed training in telling officers to stay away. >> do not approach the 12 or 1300 building. stay at least 500 feet away at this point. >> this was a shock. >> he was inside the freshman building. >> that is his job to go in to the building when there's a shooting. so, that's what angered me that he was not there doing his job. >> and a decision that may have meant the difference between life and death. >> there's more fall-out from the death of a pet dog aboard a united airlines flight. a pair of lawmakers banned airlines from placing animals in overhead compartments, john kennedy announced his plan for the welfare of our furry friends act on the same day of the national student walk out to protest gun violence. he is a staunch opponent of gun

control and drew fire for his swift action to protect animals and ignored pleas for stricter gun control. a student saying, 17 people got shot at my school and nobody's taking it seriously. >> another scandal rocks a airline industry, a man and his daughter was forced off a southwest flight, the passenger that recorded the video, said the toddler was initially afraid and upset on the plane, and the father calmed her down, by that point, the flight attendant ordered somebody to move them. they were removed after the conversation escalated between the passenger and crew. everyone knows that it's a lost cause to control a toddler. >> it is, that's why you have earbuds. we are experts. >> let's look at the weekend. >> we hope it starts melting the snow. i want to show you pictures from massachusetts, that truck, boom!

look how much snow came down. that can be dangerous. it can melt a bit and turn to ice and fall off the trucks. if you have driven in the northern half of the country, you have been in those situations. we have two storms on the map. one out of colorado, and the other on the west coast. both will produce snow in high elevations. as we go through the week, we will track the system. by sunday, we have shower weather. it will go coast-to-coast and it could possibly develop off the east coast. colorado snow, by the time we get to monday, just rain and lingering through is outh east and by the time we get to tuesday. the storm will redevelop off the coast and have the possibility of heavy wet snow, northern virginia, maybe somewhere around washington, d.c., and by the time we get to wednesday afternoon, some of that could sneak in to southern portions of new england. so, again, it's early, and there's still theown

in to lewouisiana and on the co side, it's snowy and chilly. >> well the first sighting of two cute otter pups were born had in jan. they are a sight for sore eyes. this is at the pittsburgh zoo. the north american river otteres had their initial exam. they were handling the pups and with you see what we mean by cuteness overload. >> i like that. >> they got big, huh? >> yeah, adorable. >> still to come. we have a preview of the president's new plan to combat opioid abuse, and it could be the death penalty for drug dealers. back in two.

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new on nbc news.com, president trump could propose the death penalty for drug traffickers as part of a plan to combat the nation's opioid crisis. he is expected to roll out of the opioid plan that will focus on tougher penalties, along with changes and treatment for prevention programs. it would take an act of congress to approve the plan. and president trump said it's something to start thinking about. monday's announcement will take place in new hampshire, one of the hardest hit states in the opioid epidemic. leading the news, megan mccain is fighting back at another political daughter over comments about torture. mccain asked to closely look at the cia nomination because of her links to for which you are ca -- links for torture camps,

megan mccain shot back and said, my father doesn't need torture explained to him. >> ouch. >> you know, snapchat is in more hot water after rihanna urged followers to trash the app, after it had a game called would you rather, and they asked if you would rather slap her or bunch chris brown. bad taste. they noted that it was insensitive because rihanna was assaulted by brown. and chelsea clinton weighed in, it was awful that any company would approve of this. the shares of the parent company went down by 4.7%. the company has apologized and removed the ad, but it's been getting a lot of bad press. >> this does not help at all. >> still ahead, the seven places women earn more money than men and the buzzer beating bracket butters. we have the upsets from day one of the ncaa tournament, next,

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♪ news that the queen and the popular netflix series, "the crown" was paid less than her on screen husband was dominating the headlines. they make -- women earn 37.4%

more than men, most of the areas to make the list, are urban, low income neighborhoods and minority populations. >> i would like to know more about the industries and jobs. not familiar with it. if you are looking to purchase a new ride, you may want to hold off. that's the volvo xc-40. it's up for sale in the next several months and they say their worth the wait. all six of them come with plenty of safety and technology features. we save you money here on the show. >> and we are only one day in a bracket play, and march already has two cinderella stories, the university of buffalo and loyola chicago, pulled off two big upsets in the first round match-ups. the buffalo bulls took on the four-seed arizona wildcats t the bulls came out on fire. they went on a win.

and knocked off the wildcats and took on the wildcats in the next rounds. here they come. one time out. they don't take it. and they have it. oh, they have it. at the buzzer. >> that was loyola chicago's dawn tray ingram, hitting a buzzer beater to lift his six seed team. here is one of their biggest supporters, the team's chaplain for 33 years. >> thank you god, thank god you did it. we knew we would do it. when we were in the locker room ahead of the game, we just knew we would do this. >> she has been waiting a long time, all 98 years of her, they move on to play tennessee. >> just ahead, the most inventive job application we have seen in a long time. you will want to see it. any object. any surface.

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for netflix. and chuck todd on another wild week in washington. this weekend on "sunday today," you can catch us in the morning on nbc or set the dvr and watch us any time. see you sunday morning. >> thank you. >> cannot imagine a british pop band. i will stick with george michael and wham. >> he does a great job with anything. let's check in with meteorologist bill. >> yeah, as we go in to saturday. storm in the west and a lot of snow in the high elevations. storm activity in areas of the east. stronger storms in the gulf coast. let's get more specific in to the saint patrick's day forecast. not bad, temperature around 53. and sunny skies and mild. other areas are not going to be so lucky as we head to boston. very cold, only 33, wind chill being in the teens. >> oh, they start lining up in boston early in the morning for the bars and pubs. early today will be right back.

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- this is what america's about. - sometimes it's nice to see all the good that's out there. bringing folks out, we have seen it in community after community. in today's top stories, tragedy strikes miami after a pedestrian bridge collapsed killing four people and injuring countless others. officials say the 950 ton bridge was still under construction and multiple vehicles were crushed when it came crumbling down near florida international university in miami. the victims are not yet been identified and rescue operations remain ongoing, the ntsb has dispatched a team that will lead the federal government's investigation in to the incident. >> donald trump, junior and his wife, vanessa are headed for divorce. the two released a joint statement confirming they are going their separate ways after 12 years of marriage. vanessa filed for divorce.

they have five children together. who they say will remain their top priority. >> the new york times is reporting that those of easter island are watching the coasts of their tourist gateway off the coast, it's home to statues and platforms built by ancient civilizations and are had now in danger due to rising waves. they hope to help law mang ma make -- to help the lawmakers respond, they are prepare to move them as tim runs out. >> you are hiring for a job and this is in your inbox. ♪ ♪ i really want to work for you ♪ ♪ i mean really, really though ♪ can i write, ♪ can i write ♪ can i write for sprite >> i like it. it's a copywriter from texas. he landed a job in new york city, they liked it too. he submitted this video as his

cover letter in hopes of working on the sprite account for the agency. no word if he will, but he is creative. >> and maybe we can help him out a bit. putting in a good work and making national news too. good news, taco bell fans, nacho fries are here to stay longer. the newest limited time menu item has been the most successful product launch in history. the seasoned fries come with a side of nacho cheese dipping sauce, and since debuting in january, the chain has sold 53 million orders and appeared in a third of all orders, so because of the success, the fries will stay on the menu through early april. i have yet to try those. >> yeah, not looking so healthy either. >> it's not supposed to either. it comes to fast food eats and other stuff that is not that healthy for you, we have march madness our brackets. you can vote in our polls and social media to advance your favorite midnight snackser early morning fast foods in the eastern region. we have krispi represe --

>> hewe )re following breaking n

the south bay.. an overnight right now at 4:30 we are following breaking news in the south bay. an overnight wreck in san jose leaves at least two people dead. we are live at the scene. and we're also tracking another wet morning, a live look at our radar showing scattered rain throughout the bay area. we will tell you what you can expect the rest of this friday coming up. good morning, everyone, thank you for joining us, i'm scott mcgrew, marcus washington has the day off. >> and i'm laura garcia. let's get to that friday forecast. a little break in the rain. >> for the south bay. we are just seeing it here off and on. this is the kind of pattern we are stuck in, and it stays with us for about the next 24 hours or so. let's get a look at the radar right now. storm ranger the red beam there that's our mobile doppler radar