are you saying you are not prepared now to -- >> what i am saying is i will tell you at the time, i will keep you in expense. >> he is deny owe greating >> setting the stage for a post election crisis. >> from a secret underground tunnel on the surge of iraqi special forces on isis, the battle for mosul heats up. an exclusive nbc investigation into the hacking of the u.s. elections. and could cleveland be headed to another title in the same year.

>> i am frances rivera. maybe one of the final nights we will be up. >> a lot of people will remember what happened, folks, and we are in the sprint of the presidential campaign. the likes of which the world has never seen this morning, front pages across the country really say it all, a defiant trump, quote, a rigged ec refusing to say he would accept election results if he loses. >> i will ask you here in the states tonight do you make the same commitment that you will absolutely accept the result of the election? >> i will look at it at the time. what i have seen is so bad. >> sir, there's a tradition in the country, one of the prides of this country is the peaceful

matter how hard fought a campaign is, at the end the loser concedes to the winner. are you saying you are not prepared to stay with that principle? >> what i am saying, i will tell you at the time and keep you in suspense. >> clinton made sure to pounce on that moment. >> let's be clear about what he is saying and what that means, he is talking down our democracy and i, foron somebody, the nominee of one of the two major parties would take that position. >> and she also talked about the campaign late last night. >> what he said tonight is part of his whole effort to blame somebody else for his campaign and for where he stands in this election, as i said, whenever he is losing, he says the system, whatever the system is, whether

about trump university or losing the iowa caucus or losing emmys for goodness sakes, he says it's rigged against him. >> here is what trump's running mate, mike pence, had to say about the same moment? >> the reality of voting fraud, i think he as a presidential candidate said tonight that given those two factors, that he will take a wait and see official backing trump skepticism as lawmakers, both democrats and republicans pushed back against him and even the chairman, reince priebus, not backing trump's words. >> and they watched as the candidates squared off on policy

they took shots at each other. clinton compared her record to trump's. >> in the 1980s, i was working to reform the schools in arkansas. he was borrowing $14 million from his father to start his business. and on the day when i was in the situation room monitoring raid that brought bin laden to justice, he was starring on the "apprentice." >> she has been outsmarted and out played worst than anybody in government. >> and then it quickly evolved into a war of words.

>> everybody i see has no respect for this person. >> that's because he would rather have a puppet than a president. >> no puppet. no puppet. you are the puppet. >> and this is what lit up the night. >> i am on record as saying we need to put more money in the social security trust fund and raise taxes on the wealthy, my social security payroll contribution will go up as will donald's assuming he can't figure out how to get out of it. >> such a nasty woman. >> and clinton on the snap front is beating trump. and then trump heads to ohio,

wisconsin, and president obama and biden will head to new hampshire and florida for clinton and michelle obama will go to the new battleground of arizona, and clinton and trump will meet face-to-face again perhaps for the last time as they headline a dinner in new york tonight. breaking news overnight, word that turkish jets are having airtr aleppo, and as many as 200 militia members have been killed although a kurdish member says that number is smaller. we will keep you posted as we learn more. iraqi special forces are leading mosul offensive to drive isis, up to 800 isis fighters from the city.

news hundreds of fighters could flee mosul amongst the terror tacks, and matt joins us now, and any indication on when advancing forces could reach mosul? >> reporter: we do know that this is a good thing right now, ayman. we don't know when we will reach mosul in this operation but the engagement means this whole operation is that doesn't necessarily mean exactly we know when they are entering mosul, and this is like some of the other patterns of the engagements with the islamic state over the last year, and i was with the counterterrorism forces last january, and what i learned it's a small force and there are a lot that were trained in the united states, and these people, while a lot of them speak english, they are

battles far beyond their remitt, and now they are being used as the main poor -- point of the sphere. they are being very over extended. >> matt live for us there in northern iraq. and then a gas explosion rocked >> went in on his own and pulled the fire alarms and allowed the individuals to evacuate. had those steps not been taken, we would have been having a different conversation this afternoon. this man, single handedly, i believe, saved a lot of lives of citizens today and a lot of firefighters. >> he is one of three firefighters, two police officers and three citizens injured in the explosion and

mayor is donating to those displaced as the investigation into the explosion continues. and then still to come, the affect wikileaks is having on the election. over 50 record highs registered in parts of the country, and bill karins has the weather. >> even nashville hit 90 degrees, and this cold front is ending the heat wave all except through the southeast and the heavy rain here, and rain throughout the day throughout ohio, and western new york, and especially this evening and the rain on friday will begin to kick closer to the east coast

>> heavy rain over the next couple of days, and we need it in the northeast and has been a good drought over the last couple of months. is america going to pot? a new survey takes that question sky high. there was a rash of plane crashes on wednesday, so what is going on? we will try to explain that. "early today " has the details

today's>> quick hits, sexuay transmitted disease have hit a high in the u.s., and the biggest cases among those in their late teens and early 20s. 60% of americans support marijuana legalization. that number was 36% in 2005.

proposal for recreational use and three other states will consider medical marijuana. and all pregnant women who recently visited florida to get tested for the zika virus. new details about the air accidents across america. first, watch this. look at the rough landing in oklahoma city. the pilot was forced to land with malfunctiin gear, and the pilot walked away unharmed. the next one is where eyewitnesses say this twin engine bursts into flames on a crash landing on a run way, and the investigation of the plane's landing gear is under way. a different story for the pilot of this small plane. he and a passenger crash landed in the backyard of a house in southern new jersey. first responders found the pilot

cockpit and took them 30 minutes to free them and took them to the hospital, and all accidents being investigated. and then intelligence officials say they stopped the russian hackers, and nbc news

in the air in foul territory, the cleveland indians

>> and fans were up very, very late or waking up with a smile to they beat the blue jays. it has been 19 years since they played in the world series and 68 years since they won a championship. and you can imagine the celebration will continue. now to an nbc news investigation as wikileaks continues to play a role in the u.s. presidential election. here is the senior investigative correspondent. >> a high-level u.s. intelligence source says the u.s. is confident it cut off the flow of the election material being hacked by the russians,

has been behind the theft of a wide range of documents, many of them harmful to the clinton campaign, and new defensive measures taken by the u.s. and its allies are choking off the cyber paths the russians are using to steal e-mails from high profile democrats and other prominent americans. >> i think it's credible the u.s. government is doing everything possible to stop the cyber >> and they also tell the news, they are more confident than ever, saying they consider him a willing participant in the russian scheme. >> they are frustrated

doing damage. >> the u.s. quietly pressured ecuador to shut off the internet. the reverberations of russia's cyber assault are being felt across the spectrum, and even marco rubio came out against wikileaks. >> do we want to be where foreign agencies can blackmail our elected officials? next, the most tweeted moments of the debate. tweeted moment of the presidential election. that's next. at? is he gone?? finally, i thought he'd never leave... tv character: why are you texting my man at 2 a.m.? no... if you want someone to leave you alone,

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chris wallace asked donald trump if he would accept the results of the election on november 8th, and trump had this to say. >> are you saying you are not prepared now to -- >> what i am say something i will tell you at will keep you in suspense? >> oh, oh, suspense, and it's going to end with a cliff-hanger. >> i do not anger his campaign manager. i am told we have footage of her taking questions in the spin room. >> yeah, a head-turning moment for a lot of people.

when donald trump discussed women, and trump refused to accept the election results and when clinton called trump putin's puppet. clinton gained 13,000 new followers compared to trump's 6 million followers. it's amazing to see how much social media played a the election, and we saw facebook bringing out registration. >> it makes for a later night, too. >> celebrities are putting in their two cents. dozens weighed in including josh gad who tweeted snl is literally

debate. >> and then eva longoria tweeted this. and many tweeted, and they were concerned about the lack of questions about climate change, and you see especially when it comes to a lot of heavy celebrity weight being on climate change. >> yeah, it was disappointing it has not come up in any of the debates. the boss is weighing in and taking on the donald. and take a listen. >> about rigged elections, and he's not -- he has a feeling he's going to lose now, which, of course, he is going to lose, and he's such a flagrant toxic narcissist, he will take down the whole democratic system he wants to take down with him if he goes.

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good morning. i'm susan kim. here's what's coming up on "live at daybreak"...new numbers this morning on who won the final presidential debate between hillary clinton and donald trump. plus, highlights from the most talked about moments last night.also... new this morning: what happened onboard a southwest airlines flight from new york to milwaukee overnight. how law enforcement

good morning. i'm susan kim. i'm vince vitrano.let's start off with a check on the weather... with meteorologist brian gotter. stubborn clouds stuck around yesterday with highs in the mid to upper 60s and a light breeze. clouds lingered overnight along a cold front, with a gusty northerly breeze, and lows in the 40s and 50s. behind the cold front, today is partly to mostly cloudy and chilly with highs in the mid