6:00 p.m. >> news updates on www.cbssf.com. cbs weekend news is next. captioning sponsored by cbs >> quijano: taking on the fbi, president trump launches new twittery tacks on former fbi officials robert mueller, james comey and the newly fired andrew mccabe. also tonight, facebook fallout, was the social media platform used to target voters in the 2016 election? election night in moscow. no surprise who won. >> vladimir putin! >> quijano: but did he get the turnout he wanted. a missing pennsylvania teenager turns up in mexico. the man she was with is under arrest. a california city rolls out driverless buses. our brave reporter tests the brakes. >> will it stop. it did.

and the 98 year old nun leading her team to the ncaa sweet 16. >> it was all this is the "cbs weekend news." >> quijano: good evening, i'm elaine quijano. the weekend started with the dramatic friday night firing of the number two man at the fbi. andrew mccabe was expected to retire today on his 50th birthday. the controversial firing could cost him hundreds of thousands of dollars in lost benefits. the weekend is closing with president trump twitter bashing top former fbi officials including mccabe. errol barnett is at the white house. >> president trump continues to express growing frustration at the special counsel's investigation. writing the mueller probe should never have been started, which hunt. he also cast doubt on report her-- doubts on reports andrew mccabe fired on friday took

notes of conversations between the two. i don't believe he made memos except to help his own agenda, mr. trump wrote today. the criticism comes alongside the president's personal lawyer john dowd publicly calling for robert mueller's investigation to end. >> giving the time, the resources, the independence to do his job. >> but republicans like congressman trey gowdy express caution wednesday inare you innocent, if the allegations exclusion of the russians and there is no evidence of that, and you are innocent of that, act like if. >> senator marco rubio. >> i remain confident that the special counsel is going to conduct a probe that is fair an thorough and is going to arrive at the truth. >> democrats fear a brewing constitutional crisis. so senator patrick leahy is calling for the judiciary committee to investigate what he sees is as politicization of the justice department saying quote never before have been more concerned for the institutions

we rely on. president trump's weekend tweets even attracted this rebuke from former c, a director john brennan. calling the commander in chief a disgrace demagogue headed for the dust bin of history. now cbs news has learned the special counsel already interviewed andrew mccabe about his conversations with the president. and we have learned robert mueller's team has mccabe's memos which is set to corroborate james comey's version of events. elaine. >> quijano: errol barnett, thank you. reports in "the new york times" and britain's observer suggest facebook data was misused to sway voters in 20916 election. tony dokoupil has more on this. >> a voter profiling firm called cam bridges analytica is now at the center of a massive alleged data breech at facebook, reportedly leveraged to help donald trump win the 2016 presidential election. >> we spent a million dollars harvesting tens of millions of facebook profiles and those

profiles were used as the basis of the algorithms that became the foundation of cambridge analytica itself. the company itself was founded on using facebook data. christopher wylie is a former research director for cambridge analytica. he alleges that the company secretly accessed more than 50 million facebook user accounts. the trump campaign told the associated press it never used data from cambridge analytica. the campaign used the republican national committee for its voter data. and he claims that voter data were used from another source to support the victory in 2016 are false. daniel pat isson a senior reporter from tech republic vected cambridge analytica method and impact. >> the trump campaign has said that cambridge analytica doesn't work and cambridge analytica has said it didn't use that data from 50 million facebook users. should we believe either of them? >> no, of course not. both the campaign and cambridge

analytica were very proud of their work and hoped to turn to business as their next clients. >> what should the average american take away from the reports coming out now about am bridge analytica and the trump campaign in 2016. >> the average american should understand that any information you put into the cloud or social network can and will be used to market things to you. >> including political candidates. >> pluing political candidates and including ideas. >> facebook has suspended cambridge analytica pending an investigation. cambridge analytica for its part says the harvested data has been deleted and was not used by the trump campaign. but elaine, the firm is now under renewed scrutiny from investigators in the u.k. and here at home. >> quijano: tony, thank you. nearly two weeks after a pennsylvania teenager disappeared, she turned up this weekend about 2500 miles from home in mexico. the man she was with is under arrest. here's meg oliver. >> 16 year old amy yu was brought back to allentown,

pennsylvania, sunday, two weeks after the teenager ran off with 45 year old kevin esterly a family friend. authorities found them stat saturday in playa del carmen mexico. esterly was taken into custody in the u.s. the or deal began march 59. amy vanished after she wasp dropped off at her bus stop. police say amy and esterly bought one way airline tickets. they flew from philadelphia to dallas and ultimately to cancun. >> it should be noted that their flight to cancun, mexico, occurred at approximately the same time as her mother was making the initial runaway report total intown police department. >> on february 9th amy's mother mui lu discovered amy had listed esterly as her stepfather on school records. a police affidavit revealed he had signed amy out of school ten times between november and december without her mother's knowledge. luu also found text messages that suggested esterly was

romanically involved with her daughter. amy is 16, the legal age of consent in pennsylvania. esterly, a married father of four befriended amy's family through church. amy was close with esterly's daughter and she often went on vacation with them. we sat down with mui lu amy's mother earlier in the week but she didn't want to show her face on camera. >> you had kevin over to your house. >> yes, why for meals. >> for meals, for birthdays, amy birthday. >> amy's mother told me sunday she was so relieved when they found her, she started crying. elaine. >> quijano: meg oliver, meg, thank you. >> it is election night in russia. no surprise who won. vladimir putin was re-elected with over 70% of the vote. the turnout may have been lower than he wanted. about 52% of russia's nearly 111 million voters weighed in. elizabeth palm certificate in

moscow. >> russia's election had all the signs of a real contest. opposition candidates, ballot boxes, registered voters. this is what the russians called managed democracy. >> a system built to guarantee a vladimir putin will inwin. asked as he cast his vote this morning what kind of turnout he hopeed for, he said. >> just enough to let me fulfill the role of presidentness there has been a huge effort to get out the vote today. in moscow alone they spent nearly $800,000 on balloons and decorations. the idea is to create a kind of festive excitement about this election. and there are other incentives. at this polling station in moscow voters could have a free blood test to screen for sciens of cancer. some places laid out treats. and in the arctic, reindeer hearders had their balloting

boxes delivered by helicopter to the tents. there had been a call by the anticorruption activist alexei navalny to boycott this election as a sham. and some russians will have stayed home today, disillusioned with the lack of choice. but many more cast ballots. >> it is a clean election, antonina told us, and a fair one too, i have confidence in the organizers. as for oleg, why ever would not vote, he asked. a soild majority of russians gave their vote to vladimir putin because he represents stability and strej-- strength. we will now return to the kremlin for six more years, as the longest continuously serving russian leader since joseph stalin. elizabeth palmer, cbs news, moscow. >> late last night the final body was recovered from the rubble of a collapsed foot bridge at florida international university. six people were killed.

manuel bojorquez is at the scene. >> a closer view of individual yof the collapse appears to show the pedestrian bridges north end buckled first. today at the site the priority is cleanup now that the vehicles and bodies of those who were killed have been recovered. the six victims include alexa durnan a fiu freshman studying political science, joe smitha is her uncle. >> i think of the inexens that put this together. >> florida senator marco rubeia today said work could have triggered thursday's collapse. >> there were these rods that begin side, like cables and they were being tightened. and they call it, you know, post tension application. and it is during that work that the bridge collapsed glin beginning on the north end w there were also questions about cracks on that north end that were reported tuesday to state officials by an engineer with fig bridge group. >> obviously some repairs or whatever will have to be done. but from a safety perspective, we don't see that there is any issue there. so we are not concerned about it

from that perspective, although obviously the cracking is not good and something is going to have to be, you know, done to repair that. >> the state said the employee who was called was off and heard the message friday, a day after the collapse. >> the revelation seemed to only escalate the finger pointing between state transportation officials. the university and contractors, all of whom say they will cooperate with the ongoing ntsb investigation. >> an ntsb investigator said the board is aware about reports of cracks on the bridge but cautioned that does not always indicate a bridge sun safe. classes will resume here at fiu tomorrow and the school's president said there will be a moment of silence at 1:47 p.m the time the bridge fell. >> elaine? >> manuel bojorquez, manny, thank you. >> a cirque du soleil acrobat took a terrifying fall last night during a performance in tampa, florida. yan arnaud lost his grip and

fell more than ten feet to the stage. he died from his injuries. cirque du soleil is looking too what went wrong. >> there is more news ahead. we'll go for a spin on california's first driverless bus. and later, ranchers have a beef with the makers of meat substitute.

i new study fieppeds when you drink bottled water, in many cases are you also swallowing plastics. the world health srgs is now looking into the potential health risks. anna werner has more on this. >> scientists found pony teeseses of plastic in more than 90% of the 250 bottles of water they tested. virtually all were too small to seesm the largest, about the width of a human hair. the study identified some of the plastic is polypropylene, the same type of plases particular used in bottle caps to find those tiny pieces scain tyeses used a special dye that sticks to plastic. those lighter bits you see

floating, they say that's the plastic. professor sherri mason ran the test commissioned by nonprofit journalism group orb media. >> if you are drinking only bottled w59er and you do this every day over a year, you literally are talking thousands of pieces of plastic that are you ingesting simply from the bottled water that you are drinking. >> the water came from 11 different brands in nine contracts and the report says the amount of particles var'sed from bottle to bottle, even among packs from the same brand. but the bottled water contained twice as much plastic as in a previous study of tap water. the bottled water industry group is pusng back saying the report is not based on sound science and unnecessarily scares consumers. some of the companies including nestle water said they do their own tests and cannot confirm the findings here. they all say they adhere to strict safety standards but some companies confirm they are aware of the issue of microplastic

contamination. anna werner, cbs news, new york. >> quijano: up next, get aboard the bus with no one at the wheel.

>> california's first driverless buses started running this month in san ramon near san francisco. the electric shuttle requests carry 12 people, six sitting and six standing. john blackstone climbed aboard. >> most driverless cars being tested in america still require a human ready to grab the wheel or hit the brakes if technology fails. but the shuttle bus making its way through san ramon, california, has no driver, no steering wheel, no brake pedal. it's the first completely driverless vehicle licensed to operate on public roads in california. >> this is a big day for us. >> randy i was aki the head of the county transportation authority, this is an exciting ride indeed. >> this is the first, we're on a public street. >> actually this is my first time, after working for months

trying to get a license to be on a public street. >> this is the way you fore see citizens of san ramon getting around. >> san ramon's mayor bill clarkson sees autonomous shuttles as a solution to both traffic jams and parking problems. >> fewer people will need cars. >> every parking spot here costs you x amount of dollars to build or even more expensive you build parking garages, 70,000 per parking spot. >> that's huge. >> we're going to do less major infrastructure improvement, widening of freeways and those things that really kind of messup traffic for a long time. >> now that this driverless shut sell clear to operate on city streets, we know it won't be long until some pedestrians starring at their phone will step up right in front of it. will it stop? >> it did. but they are hoping the shuttle will be a hit. when testing is finished and reses dents can start riding. john blackstone, cbs news, san ramon, california. >> quijano: the future is

here, still ahead ranchers have a bone to pick over the use of the word "meat" and "beef."

>> quijano: cats el ranchers are sicialging the wagons in the war of words against the makers of veggie burgers and other meat substitutes. they filed a petition with the usda say lab grown and plant-based food should not be allowed to use the word meat and beef on their label. jamie yuccas has more on this. >> on this sprawling northern california ranch, kelley's family has raised black an gus cattle for five generations. >> we spent a lot of time out here with them. >> fog ert also represents hundreds of ranchers as the executive vice president of the u.s. cattlemen's association. for them, defining meat is easy. >> when consumers think of meat, you want them to think of these guys. >> yes. >> we want them to think of this. we don't want them to thif a laboratory. we don't want them to think of something created and a microscope within the

association is concerned about the increase of animal-free products that have names like this one. beefy beyond beef crumbles, a plant-based product, the company says tastes like real beef. >> the cattlemen's federal petition argues the labels beef or meat should inform consumers that the product is derived naturally from animals. as opposed to alternative protein such as plants. or artificially grown in a laboratory. >> this san opportunity. >> but ethan brown the c.e.o. of beyond meat says it's time to rethink that definition. >> the reason we want to use the word "meat" is that we firmly believe that this is a piece of meat, that if you look at these not in terms of its origin but in terms of its exotion, we are hitting the key points. >> in some stores these animalfree alternatives are currently sold alongside their competitors. >> we just don't want there to be any confusion when it comes to our product. >> do you think it's confusing to the consumer? >> no i think the consumer is smart, i think the consumer

knows what plant-based meat is. >> meat alternative sales were up six percent last year and are valued at around $500 million. that's still crumbs compared to the real meat industry. that makes more than $50 billion annually. but the usda says it is considering the cattle ranchers petition and could finally decide which foods meet the definition. jamie yuccas, cbs news near oakdale, california. >> quijano: when we return sister jean's pregame prayers are answered again.

>> here comes the player of the year. he's got it. >> quijano: what a win. sister jean and the loyola of chicago ramblers are on a roll. they are headed for the sweet 16 in the ncaa tournament for the firs time in 33 years. they beat tennessee by just one point last night in another surprise upset. loyola's coach and players are giving high praise to the 98

year old nun who was the team's chap chaplain. here is some of what they will to say to cbs sports. >> sister jean is our team chaplain, she is our team comfort blanket, she is our team scout. >> she is just a blessing. she prays for us, the way she smiles. when you walk in the room and you see sister there you just kind of feel good. >> my nul name is sister jean schmitt, but everybody calls me sister jean. i'm 98 years old. >> 98, she got more nferg than some people i know my age. >> after every game she sends out emails, she will be like donte, did you this great tontd. they were out to get you, but you know you handled it well. we need that next game. i mean she's like another assistant coach. >> i scout the opponents and just tell them who they should watch out for, because they are making too many threes or

overpowering somebody. i tell them give it to the fellow who is hot tonight. because sometimes the best are cold, and you don't want that. i'm not an expert but i have been doing brackets for years now. i'm not in a pool or anything like that because i'm connected with athletics and that kind of behavior is not permitted by ncaa. and that's fine with me. cuz i just have a lot of fun doing it i have loyola going to the sweet 16. but i have a second bracket which i call the cinderella dream bracket, where i have them going to the final game. >> quijano: march madness rolls on, on cbs, tbs, tnt and trutv, go sister jean and loyola. that is the cbs new for this sunday. later 70 mince. i'm elaine quijano in new york.

new at six: a city leader lashes out at the if they cannot do with an issue like this, we are in big trouble. a city leader lashes out at the san francisco fire department after massive blaze gusts a building in north beach. investigators in san francisco are working to figure out the cause of a fire. the flames erupted before 7:30 pm last night on union street. it took 140 firefighters nearly 4 hours to get it under control. in the end, five businesses were wiped out and most of the building guided. one san francisco city supervisor says the fire department did not do a good enough job responding to the blaze. kpix 5 katie nielsen tells us

that he is calling for the fire chief to resign. >> reporter: the city supervisor for this area aaron paxton says he was eating dinner in the area last night when the fire started. he criticized the fire department saying they did not respond fire -- fast enough, tooth locating water on the fire, and did not put the fire out fast enough.>> i know the chief says that they are fire experts. tonight was a failure by the fire department.>> reporter: that criticism by supervisor erin peskin came last night while firefighters were actively fighting the fire still burning in the building at the corner of union street and columbus avenue in the heart of san francisco's north beach neighborhood. bystanders could be heard yelling at firefighters in the cell phone video.