protesters clash with donald trump supporters. now the front-runner could be fronting the legal expenses for his violent supporters. lights and sirens. a wild chase unfolding overnight in l.a. an armed suspect leading the police through the city streets in a stolen cop car. and get your pencils ready. the march madness matchups are set. a look at the brackets and the surprises and snubs. good morning from the studio 57 newsroom at cbs news headquarters here in new york. good to be with you. i'm anne-marie green. we begin with breaking news. multiple injuries are reported after an amtrak train derailed in kansas. amtrak train 4, the southwest chief was en route from los angeles to chicago when it jumped the tracks about 25 miles

earlier this morning. amtrak says there were 128 passengers and 14 crew members on board. it's unclear just how many cars derailed, but five cars have rolled on to their side. the injured are being taken to local hospitals. no word on the severity of their injuries. well, tomorrow may well be the most decisive day of this particularly for republicans. five key states hold primaries. but over the weekend, it was the violence at donald trump's rallies that provoked accusation and criticism. trump continues to deny his anti-campaign rhetoric has anything to do with the trouble. the biggest prize tomorrow is delegate-rich florida. don champion is there in miami. don, good morning. >> reporter: good morning. the republican candidates are fighting for the 99 delegates up for grabs here in florida. many of them spent the weekend

ohio is proving to be the state to watch tomorrow. bernie sanders and hillary clinton took questions on a range of issues from ohio voters during a town hall sunday night. but violence at recent donald trump rallies took center stage and both candidates took aim at the republican front-runner. >> he has lit the fire and then he throws his hands up and claims that he shouldn't be held responsible, and he should be held responsible. >> i would hope that mr. trump tones it down big-time and tells his supporters that violence is not acceptable. >> reporter: sanders holds a narrow lead over clinton in ohio but trails her in crucial primaries in florida and illinois. as a peaceful rally in boca raton, florida, sunday, trump commented on the weekend events. >> all over the world, they are talking about what took place and they are talking about us, and they are talking about how well we handled it. >> reporter: trump still leads his republican rivals here in florida where the contest is winner take all. running third in polls, marco

delivers him a much-needed victory. >> we will not allow the republican party to fall into the hands of someone who will get crushed in november. >> reporter: john kasich is vying for a win in his home state of ohio, where polls show he could beat trump. >> i believe after tuesday, we will continue to roll. >> reporter: trump is about a third of the way to the nomination about ted cruz close behind. now, it is important to note that early voting has been going on here in florida for a little more than a week. rubio is banking on that, hoping that he is faring well in that vote with so much at stake for him. he has four events planned across the state today. trump will be holding a rally in tampa. anne-marie? >> don champion in miami, thank you, don. in a series of appearances over the weekend, trump defended his supporters and his campaign, saying we want peace. but it was anything but a peaceful weekend for trump's campaign.

barrier and rushed the stage during trump's speech in dayton. later in kansas city, police had to use pepper spray on anti-trump protesters. last week a man was charged after punching an anti-trump protester at a rally. on "face the nation," trump said he may pay for his legal bills. >> this man became very angry and you know what? again, i don't condone violence, but the kid shouldn't have had the finger up in the air either, if that is what he did. so i'll take a look at the tape and i'll let you know. >> trump said the man got carried away and it's very unfortunate. we will have more on the escalating tension surrounding the trump campaign coming up on "cbs this morning." a wild scene in los angeles, where a police car was stolen. the suspect led cops on a chase late last night. eventually a police suv rammed the stolen cop car. the suspect was killed.

was also killed when a gunman opened fire in what police describe as an unprovoked attack. officer colson was standing outside a police station in landover yesterday afternoon when fir shots were fired. once the first shots were fired, other officers fired back. >> those officers did not shrink. they bravely advanced and engaged this individual, who was not just threatening the police officers and the police facility he was opening fire on, but numerous members of the community in the area. >> the suspect was wounded. another man who is believed to have been with the shooter, fled the scene, but was later arrested. this morning, the united states is condemning a deadly car bomb attack in turkey. at least 37 people were killed and more than 120 others were wounded in the turkish capital ankara. this is the second such attack in ankara the last three weeks. johnathan vigliotti reports.

by the lights of the fiery remains of blown-out vehicles. the main blchlt oulevard. a make-shift triage center for first responders. security video captured the very moment a car packed with explosives detonated near a busy embers and debris rained down on the street as survivors ran for this man was injured in the blast. [ speaking in foreign language ] >> reporter: he said the bus slowed down a bit, then boom! it exploded. something red appeared in the bus. fire. it killed two or three people. city officials say the car bomb targeted the heavily traffic square, home to a park and several government ministries. it's the third bombing in the city since last fall. turkey has struggled with kurdish rebels, threats from the islamic state, and the growing migrant crisis. the motive for today's explosion

after the united states embassy warned its citizens of a potential terrorist plot. following the attack, turkish authorities ordered a ban on broadcasting or publishing graphic images of the blast and also restricted access to facebook, twitter, and other sites in the country. johnathan vigliotti, cbs news, london. an al qaeda off-shoot is claiming responsibility for a deadly attack at a beach resort in the african nation of ivory coast. at least six armed men targeted hotels popular with tourists. 16 people were killed, including 14 civilians. four of the victims were europeans. witnesses say they heard the gunman speaking arabic. the gunmen were killed by securityforces. there is wet and potentially dangerous weather in parts of the country from the west coast to the east coast this morning. a series of storms is pounding the west with strong winds and heavy rain. in the south, there is widespread flooding that has damaged thousands of homes.

maardous travel. in north central north carolina, there were multiple crashes on an interstate. in louisiana, nearly 5,000 homes were damaged by floodwaters. at least four deaths are reported there. on the west coast, it is the wind and the rain is the trouble. one person killed in seattle when a tree was blown on to his car. the toddler inside the car survived. there is widespread damage and downed trees, also mudslides. wind gusts reached 60 miles per hour. the weather service says the winds spiraled like a hurricane. coming up on the "morning news." iditarod crash. a man is arrested for slamming his snowmobile into racers. later, a u.s. olympic fencer who wears a hijab is outraged at an incident at south by southwest.

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with a shark prompts the closing of a southern california beach. the surfer said the shark bumped him yesterday morning. he wasn't hurt. two sharks have been sighted near huntington beach since last summer. a violent collision at the iditarod. and new recommendations after the germanwings crash. those are some of the headlines on the morning newsstand. the associated press reports that investigators in the germanwings crash want to make sure pilots can't hide mental health problems. french authorities say the co-pilot who crashed a jet into a mountain last march concealed his depression. investigators say medical privacy laws must be changed. the alaska dispatch news reports charges against a 26-year-old man in an incident at the eye iditarod race. police say his snowmobile was going 100 miles an hour when he plowed into a dog sled team saturday. one dog was killed and three others were hurt. the man faces 12 counts,

>> if these allegations are proven to a jury, it could amount to be an act of terrorism, quite frankly. >> the suspect said he was drunk and apologized. it happened near the halfway point of the 970-mile race. "the statesman" reports that south by southwest officials are apologizing to an olympic fencer. ibitihaj muhammad said she was told to remove her hijab on saturday before getting an i.d. photo. she is the first muslim woman to compete for the u.s. fencing team. "the guardian" of britain reports the awarding of a million dollars to a palestinian teacher. hanan was named global teacher of the year during a ceremony in dubai. she says she will fund scholarships for students who want to be teachers. still ahead, a big donation from a little girl. we will tell you how the death of an ohio police department dog

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killed in a shoot-out two months ago, the girl sent her allowance to help pay for a bulletproof vest. the officer lost her contact information, but other officers helped him locate her. on the cbs money ds watch, a shocking video at a kellogg's plant. hena daniels is at the new york stock exchange with that and more. a criminal and internal investigation is under way at kellogg's after a video surfaced that appeared to show a man urinating on products on an assembly line. kellogg's said it is shocked and outraged and deeply disappointed. the video was taken in memphis plant back in 2014. rice krispies and rice krispies cereals and treats are among those affected. all are past their expiration

extended last week. japan's nikkei added 1.5%. a jump in crude oil prices sent stocks on wall street higher on friday tapping a four-week winning streak. the dow jones finished 202 points higher for the week. the s&p 500 gained 21 points and the nasdaq gained 30. president obama spoke on friday during an appearance at the south by southwest festival in texas on friday. mr. obama says he is, quote, way on the civil liberties side, there has to be some concession. concerns over the zika virus may be impacting ticket sales at the rio olympics. the olympic organizing committee says just 47% of the tickets have been sold. those tickets to the august 5th opening ceremony and other premium events are sold out. the disney animated "zootopia" is on top of the box office for the weekend. for families with kids, it's a city inhabited by animals is

right now. monster movie was second and followed by "deadpool." have you filled out your march madness brackets yet? nearly 50 million american workers could participate in their office pools this year. job search expert challenger gray and christmas estimates it costs business $1.3 billion an hour in lost productivity. but it says they should just embrace it because of the tight job market. >> that's right. just embrace it. i have my computer here. do you think i can do it while i'm anchoring or do you think cbs isn't into that? >> maybe during a commercial break? >> i'll see if i can sneak it in. hena daniels at the new york stock exchange, thanks a lot, hena. still ahead, more march madness. the official bracket is set as the start of the college

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the country. get your pencils ready. the march madness bracket is set. unc, virginia, oregon, and kansas take the top spots with the jayhawks coming in with the overall number one seed. no surprise there as the jayhawks had one of the best records in the ncaa this season, going 30-4. the jayhawks won the big 12 championship this weekend with an 81-71 win over west virginia. kansas is making its 27th consecutive trip to the tournament, tying unc's record run from 1975 to 2001. cal state-bakersfield is hoping to become the bell of the ball. the road runners punched their ticket sunday with a dramatic win over the new mexico state

guard dedrick basile knocked down a three-pointer with 0.2 seconds on the clock and sending his team dancing for the first time in school history. also dancing for the first time is the stony brook seawolves. a win over vermont in the american east championship. the 68 teams in the tournaments were focused on selection sunday to find out their seeds, but some players and coaches actually found out their matchups on their phones before they were officially announced, that is because the bracket was leaked on twitter. the ncaa is investigating just how that could have happened. and the action tips off thursday. fourth seed duke kicks things off at noon with a full slate of matchups through the night and throughout the weekend right here on cbs. workers in cuba are racing to get ready for a rolling stones concert. 500,000 people are expected to pack a havana ballpark for the free show on march 25th. three days before that,

out from his historic visit to watch an exhibition baseball game featuring the tampa bay rays. the cast of "hamilton" will perform musical for students. no word on whether president obama will peek in. he has already seen the show twice. coming up after your local news on "cbs this morning," pro golfers jordan spieth and lexi thompson. i'm anne-marie green. this is the "cbs morning news." shoulders don't just carry pads. they carry your fans' passions, hopes, and dreams and maybe, a chance at greatness... because shoulders were made for

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meteorologist. >> good morning, this daylight saving flight time is not the easy one. we are all going to be and it together. now we are going to see the sun rising an hour later, so it is going to stay darker later for a little longer. right now we are seeing foggy conditions from our cbs 4 camera in miami. 73 in miami, 70 in fort lauderdale, midshipman to upper 70s in the keys. here is the big issue this morning, visibility. it is due to the fog that has developed, though winds have light up. some files and box this morning and warm and steamy this afternoon.