nicole killion for wbal-tv 11 news. >> the nation and music world are saying. goodbye to a music legend. >> a helicopter crash in afghanistan killed six u.s. marines. the latest on the investigation and whether it is related to enemy fire. we asked him to be part of an experiment to prove that febreze air effects can eliminate tough cooking odors. [ moderator ] take a deep breath and then tell me what you smell. wow. it takes you kinda to like an island. like a paradise. [ sniffs ] vanilla. [ sniffs ] i smell caramel, like a caramel candy. [ moderator ] go ahead and take your blindfold off. ah man. ♪ [ laughs ] wow man! [ laughs ] [ male announcer ] eliminate tough odors with febreze air effects so you can breathe happy guaranteed. ♪ >> six u.s. marines were killed in a helicopter crash in afghanistan. a senior u.s. defense official confirms all six were marines. is the deadliest helicopter crash since last august. the -- that helicopter was shot down by the taliban. information on this crash is limited because they have not publicly released details. one anony

nicole killion is live in des moines, iowa, with more. >> the headline here in iowa says it all. its decision day. >> go out tonight, rock the vote, take the country back. >> they have made their closing arguments. >> this election is about stopping the president of the united states. >> if we're serious about change, we will have a lot of folks who are going to do everything they can to stop us. >> we see this as an opportunity. there is a very tough choice to make. there are some great candidates. >> now, it is up to the voters. >> i am not dead set on anybody. >> many are still undecided, but others are ready to commit. >> who were you when to vote for? >> newt gingrich. >> why? >> because that he can get something lot -- dodone in washington. >> mitt romney, who lost in 2008, lead as the pack's front runner. he is followed by ron paul and rick santorum. >> i think that the top three that do well coming out of iowa will get a boost going into new hampshire. >> the caucus is all about exceeding expectations, says one caucus goer. >> it is not so much about where people finish.

. >> ion nicolo killion in iowa where republican voters will -- i am nicole killion in iowa, where republicanersan >> four people in utah escape major injury and possibly death after their car slid into an icy river. this happened on new year's eve when roger anderson was driving his two children and a friend to go skiing. he lost control of the car, which flipped into the river, upside-down, causing water to rush in. anderson was able to free himself, but the kids were still trapped in the water. -- still trapped in the car in the water. bystanders were able to turn the vehicle right side up. >> in 5 seconds there were eight men in the river, three to 4 foot deep water. they were ready to assist and help in anyway. these people that were there at the scene without hesitation, they just did what they had to do. and that, for our family, made all the difference. >> the dad is very emotional and very grateful. the kids were rushed to hospital for treatment and we are happy to report everyone is doing fine, thanks to the thick -- thanks to the quick thinking strangers. >> and oregon mother went