good-bye, america. making an emergency landing. good evening, as we come on the air tonight, the candidates are all over this state. 24 hours before the iowa ucuses.

close to predict. hillary clinton with a slight lead over sanders. but his crowds large and fired up re. we start with a new poll on the republican side, showing trump taking the lead back from ted cruz. marco rubio in third. trump fighting to close the deal after skipping the final debate before iowa. ted cruz, making news because of a continueroversial voter mailing. here's jon karl. >> reporter: tonight in iowa, trump and his family trying to close their biggest deal of all. >> he will be unbelievable. the best deal maker, the best master negotiator. >> reporter: shaking hands, signing autographs, holding babies. an all-out push to turn poll numbers into real votes.

104 temperature, you can't leave. you will not be able to make it. get out of bed and caucus. >> reporter: the man that wants to win iowa, his wife by his side. how do you close t ts deal? >> we'll see what happens. we've done well in iowa, the evangelicals, the tea party. i think we'll have a good result. iowa is a very special place. >> reporter: the whole trump family involved. ivanka, with this how to caucus video. >> just write down trump. that's it. very exciting. >> reporter: and trump's sons, sounding very much like theirir dad. trump in church today, receiving

ted cruz, also attending church. did you pray for victory? >> i prayed for god's will to be done. >> reporter: did you pray for trump and rubio? >> i actually did. i asked that god's blessing, peace, and love be upon them. >> a lot of people say cruz can't runner for the election. >> reporter: and rubio, casting cruz as the favorite. >> ted cruz is clearly the front runner. 10,000 volunteers, spent millions of dollars. >> reporter: rubio, hoping for a cruz crash. and leaving iowa voters wit this promise. i will never embarrass you. >> and tom llamas with us live in iowa. you were there with melania

what will come? and also, sarah palin also there? >> yes, melania is very excited, and thinks tomorrow will be great. the entire family will stay in iowa. and palin will be with trump tomorrow. and staffers tell me they're confidenen but anxious. his quote to me, very few people have won the iowa caucuses. david? >> tom llamas tonight. tom, thank you. now to the democratic icic side, and hillary clinton briing in bill clinton and chelsea, too. e newest poll has clinton at 45%, sanders at 42%. a statistical tie. warmer words toward sanders, and appearing confident.

alone. cecilia vega tonight on the battle between the two for the best ground game here in iowa. >> stick with me. stick with a plan. stick with the experience. >> r rorter: 4 hour24 hours to go, and down. >> please j jn me a a welcoming, i hope, our next president, my mom. >> reporter: the entire family center stage this weekend. >> thank you bibi. thank you, chelsea. people need to feel the deck is not stacked against them. >> reporter: tonight, hillary feeling the love. and packing in the crowds. this is just the line to get inside to see hillary clinton.

today, traveling more than 300 miles in iowa. sanders, clocking in nearly 200. but today, sanders is confident. >> love you, too. >> reporter: on the stump, a message of unity. this land is your land this land is my land >> reporter: but in the final hours, the vermont senator on the attack. >> dismantle health care? i've snt my life fighting for universal health care for every man, woman and child. >> reporter: and clinton, still reeling from the revelation that 22 e-mails from her private server have been deemed top secret. saying it's a dirty trick. >> i have to point out the timing and some of the leaks are concerning. i just want the matter resolved.

this is like. eight years ago here, on the night before her iowa loss. they're taking no chances, actually rehearsing turnout? >> yes, and not only that. volunteers are sending hand-written notes. and sanders volunteers knocking on thousands of doors as well. >> a lot of work on bothh sides. thank you. so, how do you get first-time voters out to caucus? and how do you get ununcided voters? here's jon carl. >> reporter: one of the many hillary clinton office in iowa. it's boots on the ground time in iowa. these hillary voluntntrs are armed with detailed information

>> sometimes they've switched to trump. how is that possible? >> reporter: we're at rubio supporters, calling them to make sure they know where to go to caucus. >> sergeant bluffffommunity center. >> reporter: this volunteer is a student at iowa sxate. you're calling over and over and over again. are they o oy with that? >> sometimes they do say, this is the third time you've cacaed. >> donald trump? new york values. clinton and bush. two names from the past. >> reporter: and then thers the junk mail.l. some reffed this, election alert. underneath, the person's voting score, whether they've voted in recent elections.

score, it says. warning of a follow-up notice after the event. from the cruz campaign. over at this diner, these folks are still truly undecided. when are you going to make that decision? >> maybe 7:00 p.m.tomorrow. i don't know. >> we'll swing by that diner tomorrow. jon, as you know, the biggest prize tomorrow night could be the first-time voters that havee never voted before. and we heard trump explain how to do it. >> that's right. both are c cnting on a big turnout on the never caucused before voters. if they turn out, they probably will win.

be live from iowa tomorrow. and i'll be here tomorrow night from iowa. and the next big debate, after iowa and just days before new hampshire. join martha raddatz and me, next saturday night, right here on abc. and the other factor playing into t t iowa caucus, the weather weather weather. trees down in southern california, andnd the pacific highway shut down because of flooding. six inches in ren and counting. and it will hit here right after the caucuses are wrapped up. let's hope. in the meantime, we turn to a disturbing case making national headlines this sunday. breaking developments in a

tech student arrested, and h friend, too. here's eva pilgrim. >> reporter: tonight, two virginia tech students under arrest. >> late saturday night, t t investstation leded us to david e. eisenhower, a virginia tech student. >> reporter: saying he knew the victim, and allegedly knew the girl. a second student, charged as an cessory, helping him to get rid of the body. more than 1,000 volunteers searched. she had a liver transplant and needed daily medication.

happen t t her. >> reporter: saturday, her body was found. tonight, both suspects being held without bail. >> thank you. to california tonight, and the dramatic takedo. the fugitives considered armed and dangerous. authoritie saying ty got help from a woman in the il. but it w wld appear their help has run out. here's matt gutman. >> reporter:hey were hauaud back in through the front door. >> we're actively investigating over suspects that may have helped. >> reporter: it was a citizen

nine days ago, they hacked a doggie door in this great. and then rappelled off the roof. and a teacher supplied them with google images helping. and also sent mushy love notes to nayeriri the three are being held in a different section of the maximum security jail, but separately this time. david? >> matt, our t tnks to you. around the world, new concerns over the spread of the zika virus. the world health orgrgization holdingg meeting tomorrow. it's spread by mosquitos. the number of infected people

here ithe united ststes, 37 cases in 1 1 states. now to an emergency landing for a jet. a passeng shot this videoeo of the jet dumping fuel. the 747 did make a safe landing. there's still much more ahead on "world news tonight." thth "real money" team is back. with this question, with airlines posting record profits, why are our tickets not cheaper? also tonight, the mystery flash this weekend. what was lighting up the skies over several states? later tonight, what happened that won't happen at the oscars? and the new message tonight after that backlash? what if one piece of kale could protect you from diabetes?

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special edqtion of "world news tonight" from iowa this evenin one day to go here. in the meantime, next to the "real money" team. airlines reporting record profits, cashing in on the low fuel costs and baggage rates. why are tickets still going up? rebecca jarvis with three ways to fly cheaper. >> reporter: tonight, airle profits are flying high. the cost of fuel down as much as 40% from last year. but if you expect to see similar savings in your ticket, that's a pie in the sky. the airlines say the record profits are going back into the business. but overall, ticket costs are up

so, how do you get the best deal? >> use airfarewatchdog.c.c. if there's one bargain seat, the search engine won't see it if you look for two. link them afterwards when you get your seat assignment. >> reporter: look for the hub airports, and you could save as much as 15%. david? >> thank you. when we come back, the mystery fireball burning across the sky, visible in six states?

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to the "index" tonight. to one of the mos dangerous volcanos in central america, red up this weekend. the colima volecano in mexico. and turning to the mystery flash of night that has so many in the northeast wondering, what was that? seen as far away as ohio, no meteor. we turm to the s.a.g. awards.

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finally tonight here, things are ususuly pretty peaceful in iowa, but certainly not tonight. with the eyes of the nation now focussed on the hawkeye state, it's showtime. buzz that doesn't mean there there's not some fun beforehand. here's david wright. >> reporter: it's the greatest show on earth. hello sioux city >> reporter: taking potshots at ducks. >> ted cruz is my man. >> reporter: there's even a

they're always on my channel >> reporter: starting with meat on a stick at the state fair, and coming down to theizza rarah strategy. and every four years, a bumper crop of candidates. tomorrow is harvest day. david wright, abc news, des moines. >> thank you for watching tonight. i'm david muir, i'll seeou right back here tomorrow night.coming up on the kcrg-tv9 news at 5:30. countdown to the iowa caucuses. presidential candidates - and their campaign workers - are hard at work leading up to the big night. you're watching kcrg-tv9. now, from your 24 hour news source, this is kcrg-tv9 news at 5:30.

iowa by tomorrow night. meteorologist chris havely starts us off tonight. chris, what can we expect? s the weak system moves off to the east tonight, we will see some areas of at least partial clearing. overall, we will be looking at a partly cloudy night. it'll be a cooler night as well, with winds out ofhe north, helping to push us back wn into the low and mid 20s for lows. the start of the work week will be quiet for most of monday, under a partly to mostly cloudy sky. it's not until we move into the later evening hours tomorrow night that we start to see the moisture move in from the south from the winter storm. as it looks now, light snow and wintry mix may develolo across areas mainly alolo and south of highway 30 before midnight. this may create some slick areas for travelers. blizzard and winter storm watches are in place for counties north of interstate 80 for tuesday. tonight: partly cloudy low: 21-27 winds: nw 5-10 alo: 23 dbq: 24 iow: 25tomorrow: m/cloudy, mix late high: 33-39 winds: nw 5-10 alo: 32 dbq: 34 ioio: 37