three arrested. sherriff joe arpaio, a lightning rod for controversy coming to trump's defense. >> if they think they are going to intimidate you and the next president of the united states, not going to happen. not in this town. >> reporter: and in new york, thousands taking to the streets outside trump tower,r, clarking with the front-runner supporters. this, as the republican establishment tonight tries to block trump's road to the nomination. >> you have the establishment, they don't know what they're doing, they have no clue. >> reporter: top republicans, including mitt romney, now throwing their support behind ted cruz, as their last hope to deny trump the delegates to take the nomination. >> we need to come together and unite. >> reporter: in response, trump is taking aim at romney. >> this guy is a loser! >> reporter: and questioningis faith. >> are you sure he's a mormon? >> reporter: but cruz is punching back. >> it is disgraceful to call into question the faith of another. >> reporter: trump is also hurling new insults at an old foe -- fox news' megyn kelly.

boycott her show, calling her "highly overrated and crazy." fox firing back, saying trump's "extreme, sick obsession" with kelly is "beneath the dignity of a prpridential candidate." now the big prize on tuesday is that winner-take-all state of arizona. but republicaca are already looking ahead. the establishment i now hoping that ted cruz can win enough delegates to prevent trump winning the nomination before the convention. >> mar bruce leading us off, thank you. our top story, all people onboard killed in that plane crash, the final momts caught on video. a surveillance camera recording the impact in skies above russia, hours after midnight, during rain and fierce winds. the aftermath a somber scene. pieces@of that plane scattered. tonight, teams from the ntsb and the faa are joining the investigation. abc's jennifer eccleston has

>> reporter: surity cameras capturing that flash of light against the night sky -- the boeing 737 plunging to the ground. seconds later the fireball. the plane erupting into flfles. daybreak giving investigators their first look at the crash site. facing near hour-cane force winds before landidi. for two hours the pilot circled the area in a holding pattern, then tried again. radar capturing the sudden drop, 3,000 feet in 15 seconds. >> given that we see it was night, it was bad weather, low fuel, the pilot was under pressure to get the airplane on the ground, everything suggests at this point that it was human error. >> reporter: investitors say there is no evidence of a terror plot like the one that brought down a russian plane last fall over egypt. still, the families of the

looking for answers. headed to russia where investigators say they are looking at weather, pilot error, and mechanical failure as possible causes. but we know both of the plane's black boxes have now been recovered. cecilia? >> jennifer, thank you. weo have breaking news now from turkey, two americans killededn a suicide attack in the heart of istanbul, the lone bomber striking the city's popular shopping strereet, five people killed including the americans, 36 injured. one yet claiming responsibility. turkey has suffered several terror attacks in recent months. isis and kurdish separatists being blamed. tonight the white house condemning the terror attack. next, to the hunt of the next wanted man in europe, finally coming to an end. heavily armed police in bssels capturing the final suspect in the paris terror attacks.

now saying salah abdeslam planned to commit a attack but backed out at the last minute. here's alex marquardt. >> reporter: europe's most wanted man, tonight, behind bars and under interrogation. salah abdeslam, the lone surviving terroristfrom the paris attacks, has admitted to authorities after he drove the car to france's biggest soccer stadium he was supposed to be among the isis suicide bombers, but he didn't go through with it, and fled to belgium. this image captured by surveillance cameras in a gas station. it's the first major revelation since police cornered abdeslam yesterday. shot in the leg, he wadragged away and rushed to the hospital for the night. for four months, this neighborhood, molenbeek, was the main focus of this massive manhunt. raids taking place across the area.

here in this building, just a few hundred yards away from his family's home. >> it's been very difficult for law enforcement and security services to really penetrate ththe heavily immigrant neighborhoods in cities like brussels, so they don't have sources, they don't have a lot of information. >> reporter: abdeslam was charged today with "terrorist murder" and being part of a terrorist group. four others, including three from a single family, were detained after that raid. two of them charged with hiding a criminal. >> the real key from this arrest is the opportunity to interrogate abdeslam, find out who else he may have been working with, find out more about his ties to isis. >> reporter: abdeslam's lawyer says they will fight having him sent to france where he helped kill 130 people. belgian authorities will keep inteogating him for now, but the french said they expect to have himh handed over in the 60 days.

heads to cuba. havana undergoing a face-lift ahead of this big visit. a big step bringing the two countries together. repairing the roads and abc will be right there when president obama arrives on monday. our david muir has an exclusive interview with the president, here, on "world news tonight." to the weather now, severe storms and snow on the move at this hour, tomorrow,, the first day of spring, but tonight, freeze and winter alerts from the south to the northeast. storms bringing heavy rain to corpus christi texas andnd this watersprout off a beach in ft. laurddale, florida. abc's rob marcianono good to have you back on this weekend. but this forecect feels more like winter than spring. >> it's been a mild wiwier. a little carryover. the severe weather ross the south, you mentioned the

severe weather there andhe snow across parts southern pennsylvania, especially at higher elevations west of d.c., that will continue. some rain get intook thereaboutic city. we'll see this low develop off the coast tonight and tomorrow. some snow gets into new jersey. then it scoots off the coast. we won't get a blockbuster storm but monday morning the commute will be a bit of a mess there. cecilia. >> rob, great to have you back again. we want to move on to scene in indiana. school basketball team, overturning, crushed. police said another driver side-swept the car. players and c/aches in the hospital, instead on the court. next to a health alert for children, about lead in the water the crisis in flint, michigan, bringg it to light, now schools in newark,ew

they are not alone. usa today went back four years, reporting on 350 water systems across america, schools and day care centers testing for lead in the water, the darker the red there the moreften it was investigated. abc's eva pilgrim with the crisis putting children at special risk. >> reporter: tonight, new jersey officials testing faucets at all public schools in the city of newark, after finding lead in the drinking water. parents are outraged. >> you don't care! >> we demand accountability. >> reporter: as many as 17,000 kids may have been exposed to the toxic water. many now undergoing blood tests. the city telling abc news a teacher alerted the district about discolored water. further testing revealing the lead. families, afraid their community could become another flint, michigan. > don't want people to get into a crisis thinking that there's something like on the scale of flint or that level. it's nowhere near that.

problem stretches well beyond flint and newark. in 42 states. one school in maine with led levels of 41 times higher than the epa limimi lead has been i iued here in newark schools since 2003.. the mayor's office blaming bad record keeping and communication for why this hasn't been addressed. moving on to a frightening moment on a flight to hawaii. a passenger watching a movie on herphone. bursts into flames. and linzie janis with the big questions. >> reporter: tonight, these images of f charred phone, evidence of a mid-flight fire scare.

>> reporter: college sophomore anna crail was on her way from bellingham, washington, to honolulu, watching a movie on heheiphone 6, when she says suddenly it burst into flames. >> there was, like, eight-inch flames coming out of my phone. >> reporter: with a blanket, she smothered the fire, putting it ouin under 30 seconds. iphone fires have happened before, but are rare. this atlanta man's refurbished iphone caut fire in his pocket in december. thsame thing happened to this girl in philadelphia last may. >> the biggest threat is having something buried in a bag or an overhead compartnt. >> reporter: apple did not respond for our reqeqst to comment. but crail said they contacted her. the faa is investigating. >> as we all know, tax time is fast approaching. if your return was hacked last year, watch out, it could happen again. here's abc's lauren lyster.

of americans are preparing to file their taxes a warning -- >> i got an e-mail. >> reporter: the growing threat of tax return fraud happening to victims not once, but twice. you're the victim of tax fraud again this year. what was your reaction sf. >> it was angry. >> reporter: last week, hackers grabbing her refund diverting it to a bank account that wasn't hers. how much is this happening, someone is a victim not once but twice in. >> no one is really sure yet. this is a new but growing area. >> reporter: adding a level of extra security for fraud victims. this month, the irs suspending the online tool. they found 800 fraudulent returns using those very p.i.n.s

don't ll for phishing scams or a phone call saying it was the irs. >> what's michelle quinn doing to avoid being a vicqim a third time, she signed up for a prram that tracks any time your identity is used. it can take up to 300 days to see your refund if you're a victim. >> great to have you with us, lauren still ahead on "world news" this saturday -- the 21st century habit so many of us have, no longer getting the green light. news tonight for those of us who walk and text at the same time. and, oh, baby, the eagle cam that has captivated a nation.

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it may not be allowed for much longer in some places. some lawmake rers trying to crack down on what they call a high-risk habit. here's abc's kendis gibson. >> reporter: tonight, a new push to make this, a criminal offense -- distracted walking. >> even headphones are bad. because you're not really paying attention to where you're really going. >> reporter: so dangerous. >> i've been caught, about to get hit by a car. >> reporter: a new jersey assemblywoman introduced a bill making violators subject to a $50 fine or 15 days in jail. it doesn't matter if you have the right of way, the bill states, if you're in a crosswalk, your phone has to be put away and you've gotta be hands free. our abc cameras rolling as one after the other, in just an hour, pedestrians caught texting in new york city, where it is legal. this, as cameras capture mishaps of distracted walking. this man nearly runs into a bear in a california neighborhood. recent numbers from the

association show a 10% spike in pedestrian fatalities in the first six months of last year, experts calling cell phone distraction a big problem. >> the smartphone is the newest and arguably one the most dangerous forms of distraction. >> reporter: now, lawmakers hoping to stop this increasingly dangerous habit in its tracks. kendis gibson, abc news, new york. >> when we come back on this saturday night -- the video causing outrage and now sparking an investigation, what this officer does to a handcuffed suspect, all caught on camera ened # -- the pope's new online adventure. why he's joining the masses on instagram. woman. or where you're from. city. country. we're just everyday people fighting high blood sugar. i am everyday people, yea, yea. farxiga may help in that fight every day. along with diet and exercise,

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we can't get enough of this little newborn. baby brother or sister in that second egg, right now, still taking that irsweet time. still ahead on "world news tonight"t"- a picture is worth a thousand wordsdsut how many blessing blessings. a vet can first. pope francis inviting the world on a new journey. holy instagram. or stop p find a bathroom? cialis for daily use is approved to treat both erectile dysfunction and the urininy symptoms of bph, like needing to go equently, day or night. tell your doctor about all your medical conditions and medicines, and ask if your heart is healthy enough for sex do not take cialis if you take nitrates for chest pain, or adempas for pulmonary hypertension, as it may cause an unsafe drop in blood pressure. do not drink alcohololn excess. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or any symptoms of an allergic reaction, stop takinincialis and get medical help right away.

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well, finally tonight, pope francis has described the internet as a gift from god and he's seeing some godly numbers on his first day on instagram. more than 900,000 followers and counting. #instapope is yes, now a real thing. with the tap of finger, almost as`if from on high, his holiness joins the masses. his first picture, the pope deep in prayer. the words, "pray for me" in nine languages. today the new account, @franciscus -- latin for francis -- attracting more than 100,000 followers per hour. pope francis going viral faster than you can say holy hashtag. >> pictures of pope francis go viral, so, it's a match made in heaven you could say. >> reporter: instagram's ceo there for the big launch. >> the power of an image was that it could transcend culture or language and it can speak to

the sky's really the limit for him. >> reporter:ew traditions for an old institution. this pope, already perfecting the oto-op. from the first family, to little kristupas. during his u.s. visit last year, i even got in on the action. #selfiegoals. pope francis might already be the coololt pope of all, but if he's praying for true instagram success, he'll have to step up his selfie game.

thank you for joining us on this from sony picture studios, it's america's game. wheel... of... fortune! ladies and gentlemen, here are the stars of our show, pat sajak and vanna white. here we come! marching into your living room. are you marching?

thank you, jim. "thank you, folks. have a good show. see you later. pat: hey, how you doing? well, this is it. there's no turning back now. our first "toss up," it's "fun & games." it's worth $1,000, d here we go. [ bell chimes ] and it's jerry. swimming in a lake. i think that's it, yeyh. [ cheers and applause ] jerry armand. hih how you doing? you won $1,000. i did. pretty easy, huh? i'm happy. from fort lauderdale? i am. yes, sir. and let's hear about you, what you down there, anything else we should know about you. i -- sorry. no, that's fine. go ahead. i was just babbling. that's what i do. i'm a school psychologist. mm-hmm. and i'm living with my partner, kevin. we've been together for five and a half years. and we have three dogs -- luke, lucy, and dizz [ chuckling ] oh, good. and kind of you to name them. i know that means a lot to them. i want to hi to them. there you go.

i am a huge britney spears fan, and i was actually able to meet her recently. sohat was very exciting. really? was she pleasant? she was wonderful. yeah? good. well, i'glad to hear that. thank you. sometimes you're disappointed when you -- no, it was very cool. like me -- e you excited? i am completely starstruck right now. [ laughter ] have i been pleasant? you have been wonderful, and i've been here for 30 seconds. there you go. and could you introduce me to britney? you know what? we're best friends forer, so, yes, i can. [ chuckling ] nice to have you here. hiya, rod. how you doing? rod: hello, pat. i'm doing very well. this is rod belsky -- personal friends with britney spears. is that correct? uh, not quite. no, okay. but you are from somerville, south carolina. correct. originally from harmony township, pennsylvania. i work for a major bank-data-processing company. and i'm married toathleen, the most amazing woman god ever created, for the past 12 years. and i have two wonderful sons -- luke and jake. yeah, i heard several women in the audience go "aww" when you said -- they like that stuff. what's the music part of your life?