making news in america this morning -- new fallout from president trump's claim accusing president obama of wiretapping. hear why the fbi director now wants the justice department to step in. plus, the new travel ban rolls out today we're live in washington with the details. breaking news, as north korea launches more missiles while the u.s. and south korea hold their meetings newel allegations that isis has used chemical weapons in the iraqi city of mosul. and caught on camera. close call on highway in texas. the quick reactions that kept everybody safe. and a good morning to you

all. president trump has a full day of meetings ahead with cabinet members as the fbi refutes his allegation that former president obama wiretapped him. >> in fact sources say fbi director james comey is now calling on the justice department to publicly reject the claims as the president calls on congress to investigate them. abc's lana zak has the latest from washington. >> reporter: today the senate is expecting to hear more from the attorney general jeff sessions from his meetings with russian ambassador. overshadowing that is the fallout from the president's twitter fallout. the president provided no evidence to back up these claims and senior justice department official told abc news the director of the fbi himself james comey has asked the justice department to publicly reject the president's five twitter statements as false. the former director of national

intelligence james clapper is pushing back as well. >> as i oversaw at dni there was no wiretap mounted against the president-elect at the time or a candidate. >> reporter: even members of the president's own party are having difficulty defending the tweet storm. >> i have never heard that allegation made before by anybody. >> at this point i have seen no evidence of what he's allege zblrd senator susan collins a member of the senate intelligence committee told face the nation they would investigate the claim. >> it probably would be helpful if he gave more information or if he just didn't comment further and allowed us to do our work. >> a spokesperson for the former president never authorized any wiretaps on u.s. citizens. any suggestion otherwise is simply false.

kendis and diane. the trump administration is expected to unveil its new travel ban today e revoking and replacing the original executive order that was blocked by a federal court. the new immigration order removes iraq from a list of countries that will face a 90-day travel ban. house respect are also expected to introduce legislation early this week to repeal and replace obamacare. they're hoping to push the bill through the house by the end of the month. still some disagreement over how to pay for it. we have been following some breaking news overseas this morning from the korean peninsula a defiant show of force. north korea firing four missiles toward the sea of japan.

shinzo abe is calling a clear violation of u.n. supreme court council violations. american officials said today's missiles posed no threat to north america. expect a greater show of force from the u.s. as it tries to hold back isis in syria. 500 american special forces arrived in the northern city over the weekend. the pentagon is calling for more u.s. ground troops along with helicopters and weapons supply. a plan to get control of the city of raqqa. >> speaking of isis, some disturbing allegations out now about the reported use of chemical weapons in mosul. >> yeah, women and children are said to be among the victims. abc's alex marquardt joins us live with the latest. >> reporter: good morning. both the united nations and the red cross say they suspect a chemical attack was carried out

by isis in the eastern part of the city of mosul which u.s. backed forces have taken back from isis. around a dozen of people have been treated for what could be expotion to chemical agents. among the wounded are several children who are showing the telltale signs of an attack. isis is known to use chemical weapons in the past. the chemical attack hasn't been yet to confirmed. if it's confirmed it will constitute a war crime. >> alex the bigger pictureast f half of the they managed to take back some about those police mountain areas.has feds if several wildfires in on faceboo

legedly posted in a secret facebook group. plus, what goes up must come down -- sometimes. some thrill seekers down under have trouble at an amusement park.

say good-bye to the old georgia archives building. it was reduced to rubble yesterday imploded by 500 pounds of explosives as yas done on bu hundreds and tax audits are at ei you can get away visible.

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that trop50 could taste so good and still have 50% fewer calories. can i stop, jane? no. trop50. tastes so good you won't believe it has 50% fewer calories. this raging brushfire about 80 miles north of miami brought traffic on interstate 95 to a stand still. visibility was near zero because of the thick smoke. no buildings damaged. fire's now under control and the highway reopened after six roads. wet roads from the central gulf coast to the great lakes and into the dakotas. west of there, heavy snow likely in the western mountains. >> mother nature could cause some problems at airports in

kansas city, new orleans, memphis and chicago. the man arrested on sexual assault charges in omaha is now accused of other recent sexual assaults in three states. >> police said he couldn't have caught by a surveillance tape. abc's linsey davis with the story. >> reporter: scary moments caught on tape as this masked man creeps around the lobby of an omaha hospital. a female employee gets up from a back office. the alleged assailant springs into action. tries to force herself into a nearby bathroom but she fights back and manages to pull the mask off his face. the man flees but comes for the mask. police say the suspect is 29-year-old zachary lee person, this morning investigators are crediting the brave hotel worker for their success in eye debit mying the person. the douglas county sheriff says

he believes he would have struck again. linsey davis, abc news, new york. >> linsey will have more on that story a little bit later on "good morning america." to down under we go. we look up at a roller coaster that came to an unexpected end in australia. this video is from a park on the gold coast. reports say six people were rescued from the high ride known as the buzzsaw. they're okay. officials say an auto stop -- i guess, they were supposed right back down. >> they got stuck up at the top. no fun. also caught on camera, this terrifying scene on a highway in houston. just as this white and red tractor-trailer tries to merge the driver loses control, the truck folds into itself. no reports of injuries here. it wasn't even any damage to any

other cars. >> wow. very fortunate there. so, what organizers are calling the last race on earth officially gets under way today. >> the iditarod. held in anchorage, alaska, saturday. 72 teams and about 2,000 dogs will start that trek hoping to make it all the way to nome. for the first time in the race's history, mushers will be allowed to carry cameras for security reasons. it's supposed to be negative 40 in some parts of the course. let's get highlights from espn. >> good morning, america. two basketball games to talk about. >> call the i.t. guy. isaiah thomas and the celtics visiting the suns. frantic finish here. 11.9 seconds to go in the fourth quarter. after thomas makes a free throw,

suns down by two. eric bledsoe pushes in up court, keeps it and lays it in. we're tied with 4 seconds left. celtics inbounds. thomas can't handle it. tyler throws it up and drops with no time left on the clock. the turnover by boston. ulis' first-ever game buzzer-beater. warriors,/knicks. knicks down by six. ron baker, up and under. it's a game. spike's enjoying it. porzi in, gis for three. but the splash brothers respond. klay thompson with the one-point lead, nails the three. the lead is seven. there's the dagger from steph. steph back over carmelo. the warriors beat the knicks,

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strong storms from the mississippi valley up through the great lakes. for one lucky little girl near dallas the amusement park was brought to her. >> of course. >> she never has to wait in line. our station in dallas has that story. >> reporter: the rattling of the tracks the whoosh of the car. you listen closely, what you hear on this ride is love. >> when i was little, papa always wanted this. >> reporter: jimmy white made an amusement park in his backyard, a ferris wheel, a carousel and yes, a roller coaster, all for his first grandchild sofia. >> 3. >> 3, no way. >> reporter: the coaster track is pvc, the support wood and cement. >> i started and let the pvc pipe flow. >> reporter: it starts from a second-floor deck and loops. the car locked on the track.

>> i kind of seen it on tv. roller coaster on gravity. i did it. >> reporter: jimmy grew up here on these country acres that have been in his family since the '30s. now she lives next door. >> every day. 24/7. >> what does he say? >> i go to papa's. >> this is different with her and my dad. she totally adores him. >> when i found out i was going to be a grandpa that's when i started. she had all this stuff. y >> reporter: for now, the coaster is papa powered. but this grandpa will always have his granddaughter's back. >> we're dud byes, ain't we? is papa looking for any more

grandkids to adopt because -- >> because we would love to get on that ride in his backyard. >> that's so cool. >> a dad built it for his son. >> that's what's making news in america this morning. >> good morning everyone, it is 4:30 a.m., monday march 6. >> here's what we're following in the wake of several threats against jewish centers around the nation, local lawmakers calling for new federal security funding. the director of the fbi is asking the justice department to refute president donald trump

train that president obama ordered a tap during the presidential campaign. after a frigid weekend warm weather is heading our way. >> we're used to that by for you,