dress barn. welcome to "world news tonight." the showdown in the south. south carolina up for grabs as democrats cast their votes. hillary clinton looking for a big win over bernie sanders, while her husband goes on offensive against a heckler. >> if you'll shut up and listen to my answer, i'll answer you. >> so, what set him off? a new republican tag team hits the trail. chris christie and donald trump together. the frenemies now doubling d dn on marco rubub. >> rubio stole from the republican party. >> the schoolyard taunts. and tonight, the new comeback line. >> we can't nominate a con artist to become the head of the party. the factory worker coming face-to-face with the gunman, a man he thought was his friend. what that shooter told him right before he opened fire.

e-cigarettes tonight. they are exploding in pockets, setting cars on fire, and causing serious injury. one woman talking about her frightening ordeal. and, risky busineses chris rock getting ready to rock the oscars, hosting in the middle of a controversy. promising a "blackout" is on the way. good evening. thank you for joining us on this saturday. i'm cecilia vega. we begin tonight with that showdown in south carolina. democrats at this hour still voting there. hillary clinton going big in the palmetto state, while bernie sanders has s ruggled to introduce himself there. preliminary exit polls coming in, take a look. 6 in 10 voters are african-american, that could be a record. this primary testing the candidates' popularity with that group. also 7 in 10 voters want the next president to continue barack obama's policies. voters there with just a few

from columbia. david, good evening. good evening, cecilia. with those pollslsbout to close, hillary clinton is planning a big victory party right here in this room. but she and bernie sanders are already looking ahead to super tuesday. today, hillary clinton was in fairfield, alabama, looking past bernie sanders and straight at the republican front-runner. taxpayers to provide free education to donald trump's youngest child. [ cheers and appuse ] >> reporter: sanders was in austin, texas, souou carolina already in his rearvieiemirror. >> i think we have a surprise coming for some people on tuesday. [ applause ] >> reporter: the clintons, bill and hillary, have invested heavily y the palmetto state, 23 stops here in this past week alone. today, bill clinton faced a heckler. at a ral in bluffton. >> and the thing is that we have four lives in benghazi t tt were killll and your wife tried to cover it up.

messier from there. >> why are you afraid to listen to my answer? why are you afraid? >> no, i'mot afraid, because i don't touch me. >> reporter: sanders has invested less time here. at his event last night, there were plenty of empty seats. are you in this all of the way -- >> california -- obviously, i total delegates come from calilirnia. 20%. >> reporter: so you're not going anywhere? regardless of what happens here. >> we're going to california! we're off to the west coast, absolutely. >> reporter: today many of the voters said they g history withthhe clintons. >> she knows something. >> reporter: even sanders' supporters like richard scott say they know it's the way the wind seems to be blowing. >> hillary will be the one that wins south carolina. but i have to just put my support behind the person i believe in. >> reporter: y y're voting your heart? >> votininmy heart.

david wright joins us now from inside clinton's event in columbia, south carolina. david, clinton's camp is feeling confident tonight. they're certainly hoping for that big win. what are you hearing inside there? >> well, they know that they're going to win the only questiwn is by how much? some of the polls had them up by more than 20 points. the clinton campaiai actually said they stopped doing their own polls, because they didn't have to here. cecilia. >> david, thank you weurn to the republicans. all eyes on super tuesday. now just three days away, chchs christie campaigning with donald trump one day after that bombshell endorsement. teaming up to pummel marco rubio, but the florida senator is dbling down, branding@trump a con artist. but, is it too late to stop the billionaire businessman? here's abc's mary bruce. >> reporter: with his high-profile weapon by his side, new jersey g gernor chris christie,, donald trump unleashed a verbal assault on marco rubio.

rubio -- total lightweight, and little mouth on him -- bing, bing, bing. bing, bing, bing, bing. >> reporter: rubio, trying to beat trump at his own game, hurling personal insults. >> donald trump likes to sue people. he should sue whoever did that to his face. >> repter: armed with this new line of attack -- >> con artrtt. n artist. con n tist. friends don't let friends vote for con artists. >> reporter: in georgia, at his largest campaign rally yet, rubio called trump a con man more than a dozen times. trump pupued back. >> trump's a con man. trump's a con man. the last thing i a folks, is a i built a great business, okay? >> reporter: also under fire, trump university. the mogul's now-defungtd school facing a $40 million lawsuit. tonight, a new attack ad using that as ammo. >> i paid $35,000 to trump university and all i got was a picture of myself with a cardboard cutout of donald trump. >> reporter: rival ted cruz is piling on, hammering trump for not releasing s tax returns.

show that he doesn't havavquite as much money as he says he does. >> reporter: and trump is also taking aim at the media, threatening to weaken first amendment protections for reporters so he can sue them. >> the media -- the most dishonest human beings on n rth, i'm telling you. >> reporter: b his supporters in tennessee aren't bothered by the attacks. all these new attacks we're hearing from r rio and cruz gogog after donald trumpmp >> not fazing me a bit. >> okay, mary bruce joins us now from tennessee. dona trump about to take the stage there. mary, so many endorsements. so much hope for a spot in the white house. is chris christie offering any indicati that he's after a new job here. >> chris christie is set to join donald trump here. he has been asked a direct question. he'l go into the private sector to make money, just like donald trump. cecilia. >> mary bruce on the campaign trail. abc's jonathan karl joins us

let's talk donald trump, if he comes out ahead, is it a done deal? that's t question everyone is asking. >> no, but it will be close. look, donald trump can kill off ted cruz on super tuesday. by winning in the southern stat. but marco rubio can live to fight another day if he has a series of strong of second-place and third-place finishes. he continues to get delegates. his big day will be march 15th. winner-take-all primary in florida and ohio. if he can win those two states he can still come out on top. but he loses -- right now, he's behind in both polls. >> let's talk democrats, voting still under way in south carolina. hillary clinton hoping for a really big win. bernie sanders said hehe going all ofofhe way to california. when does this race come to an end? >> if she has a big win in south carolina, she's on a clear path to the nomination. it quickly becomes mathematically impossible for bernie sanders to catch up. >> all right, jon karl, thank you. stay with abc news for full coverage on super tuesday. with special editions on "good

tonight" and george and the entire political powerhouse team on the aireginning at 10:00 p.m. eastern. on tuesday night. we want to move on to top stories. that deadly workplace shooting in kansas. the gunman's own video posted on facebookokhowing him firing anan automatic weapon at t shooting range. he's accused of turning a gun on his co-workers. here's abc's eva pilgrim with the latest. >> reporter: tonight, a new arrest in the wake of that deadly workplace rampage. 28-year-old sarah hopkins, a former live-in girlfriend of the alleged gunman cedric ford, charged with giving a firearm to convicted felon. hopkins telling investigators she gave ford her own ak-47 and glock pistol. after their breakup she had taken them back, but later "returned both guns because ford had threatened her." just a month later, ford posting this video to his facebook page, firing an ak-47.

reporter: ford killed 3 of his coworkers and injured 14 m me before being killed by police chief doug schroeder. adam miller was trying to evacuate his co-workers when he came face to face with ford. and so, i told him m needs to run, there's a fire and he just looked confused. i told him again. he said, i know, then he shot me. >> reporter: miller, who is still recovering in the hospital, was shot four times. he says he still feels for ford. >> i don't know what he was going through. obviously he felt this was the way out. and so, my heart just aches for him. >> reporter: just 90 minines before the shooting, ford was served at work with a restraining order to stay away from another ex-girlfriend, who claimed he was "in desperate need of medical and psychological help." cecilia, excel industries remains closed tonight. no word on when the plant will reopen.

okay, eva, thank you. we want t turn overseas to syria, defying allllxpectations, a cease-fire there now holding on for 24 hours. here's alex marquardt. reporting in tonight from a strangely quiet damascus. >> reporter: children playing tonight in an empty lot on the edge of damascus. none are from here, all forced from their homes in a war that has lasted as long as they can remember. today, this boy told me, they didn't bomb. across syria, , e sounds of war all but disappeared. replaced -- for now -- with a quiet that hasn't been heard in years. few believe it can last, but many are praying it does. u're tired of the war? >> my mind and my heart and my baby all are tired of this war. >> reporter: scattered fighting did continue today. members ofofhe aid group known as the white helmets said they rushed to rescue people in northern syria from the assad regime's infamous barrel bombs. but nearby here, in the south, they posted a picture today

they got a day off. today exceeded all expectations, and so, even if this fragile truce falls tomorrow, it still can be considered a success, a model to build on thdt could one day bring peace back to this country. cecilia. >> alex, thank you. and we turn back here at home. police in california say a drag race on a freeway near los angeles ended in this -- a deadly inferno lighting up the night sky for miles. three people were killed. one of the speeding cars apparently lost control, hitting a big rig, sending the tractor-trailer through the divider into oncoming traffic. and now to a phenomenon, that we're seeing more and more, of them exploding suddenly and without warning. here's gloria riviera with one woman's frightening story. >> the car's g gna explode. the car's gonna explode. >> hang on, where are you? >> reporter: this frantic 911 call coming in just after an inside this car in naples, florida.

the flames. >> yes, it was an e-cigarette. >> reporter: authorities say she told them she was smoking a modified e-cigarette when it exploded in her mouth, burning her face and damaging two teeth. >> i had char. i pushed the button and then it literally, like, i felt an impact in my face. i saw, like, sparks fly off in the passenger seat. >> reporter: the government saying millions of americans smoke e-cigarettes. so far, more than two zen fires and explososns reported. at a kentucky gas station this week, his e-cigarette exploded in his pocket, he said, causing second-degree burns. another explosion nearly set a bedroom on fire. experts say problems often begin when the device's lithium battery is overcharged. >> 80% of all firir involving e-cigarettes

>> reporter: currently the fda doesn't regulate the healtand safety of all e-cigarettes. there's legislation under review at the white house. cilia. >> gloria, thank you. an alleged impostor accused of fooling an entire pennsylvania high school. now, questions now about his relationship with a teenage girl. abc's kendis gibson has more. >> reporter: this young man fooled everyone for years. alleging pretending to be a high school student. he's behind bars. facing new charges. police say artur samarin, now 23 years old, had sexual relations with a 15-year-old girl in 2014. now charged with statutory sexual assault. samarin has not yet responded to those charges, but earlier admitted from his harrisburg, pennsylvania, jail cell he did scam the system to stay in the u.s. >> i'm here in this prison because i've done a crime.e. i'm a criminal, unfortunately, but it is true. >> reporter: samarin also saying in 2012 he left ukraine, assumed the alias asher potts, and went

day for the last four years -- >> it's scary. >> reporter: cops say when samarin's visa ran out, he forged documents, including a social security card, to enroll in schl. samarin says he was simply trying to escape war-torn ukraine. >> i love the united states. it's a land of opportunity for all of us immigrants. >> reporter: tonight, this alleged imposter is behind bars on $20,000 bond. kendis gibson, abc news, new york. still ahead tonight -- the big shock for one mom. as she drove down the freeway, when her toddler mananed to do this. the car seat recall happening right now. new ways to arm yourself against those high-tech thieves at those atms. what you need to b% on the lookout for. i'm savin' you five hundred coming soon from progressive, it's "savin'," the new hit single from the dizzcounts. cash money

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police about the dangers posed by skimming devices. abc's gio benitez looks at new ways banks are trying to protect you. >> reporter: tonight, thieves attaching devices like these to machines, and stealing credit and debit card information with each unsuspecting swipe. >> they just stick it on as they walk by real quick. >> reporter: just this week, police finding s smmers on atms massachusetts, maryland, and even new jersey. now banks are fighting back. this week, bank of america rolling out its first cardless atms. citibank giving me an exclusive look at how it's tightening security using biomemeics. >> the iris scan. it is the second-most reliable marker in your body behind the dna. >> reporter: it may seem silly, but when people are thinking of iris scans, they're going to be thinking of grabbing an eyeball and putting it in front of a machine, that cannot happen? >> that cannot happen. no pictures, no videos, no eyeballs. >> reporter: a glise into the future.

your money? >> this piece right here fitit right over the card reader that you would find on a normal device. if you pull on it at all and it wiggles they should definitely not touch it. >> reporler: authorities say keep an eye out for tiny holes near the keypa which could hide cameras capturing your pin number. gio benitez, abc news, miami. and when we come back -- from this. to this. the olympic wipeout by a star on the slopes and what she says about when she will be back. and out of the rubble. you will never believe what this community was s le to pull off in no time flat. after those deadly tornadoes hit their community.ornadoes hit their community. choir and harp music. this place, it's the best-kept secret in football since... hey, how did he get in here?! and with toe nail fungus! fight it! with jublia. jublia is a prescription medicine used to treat toenail fungus. use jublia as instructed by your doctor. now that's prime time.

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pennsysyania hit hard by thihi week's rare northeast tornadoes lost a local school, complete devastation there. well, take a look now. a brand-new school going up, raised in just a single day. and when we come back -- the countdown to oscar sunday is on. we're right there in hollywood ahead of the big night. with this s ar's big question ---- whatatill chris rock do whwh he is on that stage? chris rock do when he is on that stage? listen up! i'm here to get the lady of the house back on her feet. and give her the strength

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how great will george look? most importantly, what will chris say? spike lee, jada pinkett smith,h, will smith -- all boycottingng because of the total lack of african-american acting nominees. but chris rock will be there, hosting. >> hisrand of comedy is to absolutely go there. >> reporter: even before the nominations, rock wrote in "the hollywood reporter," "it's a white industry." >> and this year, that's what everyone wants to hear, that's what eveveone sort of recogniziz they have to hear, so, he is sort of perfectly suited for this job this year. >> our host for this evening, chris rock! >> reporter: last time`rock hosted in 2005, he went there. >> it's a great night tonight. we have four black nominees tonight. so great. it's kind of like the def oscar jam tonight. >> reporter: since this year's all-white nominations were announced, he's cancelled all

he's been testing his monologue material on audiences at comedy ubs. i think he's been testing just how far he can go with it. >> reporter: how far? well, the show's producers told our own lara spencer, maybe even rock doesn't know yet. >> he's a perfectionist. >> he'll tweak up until sunday night. >> reporter: tweeting this week, "see you sunday. #blackout." nick w wt, abc news, los angeles. we'll be watching. the big oscar show airs tomorrow night right here on abc. of course, stay with us as the voting results come in from south carolina. thanks for spending your turday night with us. i'm cecilia vega.

have a great night.at this minute, polls are closing in south carolina. democratic presidential candidates hillary clinton and senator bernie sanders are watchinand waiting to find out today's results. congressional seats are also up for grabs in this november's'selection. governor terry branstad weighs in on one iowa race. and a cedar rapids event aims to empower local youth. you're watching kcrg-tv9. now, from your 24 hour news source, this is kcrg-tv9 news at 6. it felt like an early spring today across eastern iowa. families were out at ellis park in cedar rapids this afternoon enjoying the swings and slides. temperatures were up in the 60's in parts of the state today, but how long will it last? let's check current conditions with meteorologist chris havely. chris, one of the nicest

the weather for our saturday couldn't be beat for late february. the good news is that mild temperatures will stick around this is an abc news special report. the south carolina pry mire. now reporting george stepdanopoulos. and we're come tong air with breaking news in the race for the white house. democrats voting in south carolina today. and abc news can project that hillary clinton will win the primary that key state. she's riding a wave of ovovwhelming support in the african-american community, about 6 in 10 south carolina voters scoring a decisive victory in the state. cecilia vega has been covering that camp from the start. a sign of things to come in those seven southern states. >> exactly right. they weren't just hoping f a big win in south carolina t ty