? ? ? breaking news overnight. five more explosive devices found in new jersey, including one that exploded when the bomb squad was cutting into wires. >> we've also got the latest on president obama arrived in manhattan, along with the united nations general assembly. new details surrounding the mass stabbing attack at a minnesota mall. and gas prices sky rocket almost overnight. "early today" starts right now. good to be with you, i'm frances rivera. and i'm a where,man.

bombs were planted in manhattan and two investigations taking place, one on the vaerrazano bridge and in chelsea. one exploding in a busy train station. the city's mayor spoke to nbc about that explosion and concern for the state of the country. >> extremely concerned for the residents of the community, but more importantly extremely concerned for everybody in the state or country where somebody can drop a backpack in a garbage can with no timers and you have to wonder how many people could have been hurt. i don't have the expertise to determine the blast function of that. but based on the loudness, i

were in the vicinity when that went off. >> here with more on the investigation there. >> reporter: good morning. the mayor here of elizabeth, new jersey says multiple devices have been discovered here. when the bomb squad was cutting into the first device, we heard a loud explosion sending officers and people standing in the directions. the mayor says it was one of a backpack full of five devices th suddenly went off. they're now looking at the other four devices and trying to recover them and remove them from the area. the mayor says they were looking that devices and concerned about them when the bomb squad had been here for three or four hours and we heard all of a sudden that explosion. at first we were told it was a controlled explosion. the mayor said it certainly was

suspicious devices gone off, it was about 300 feet from the pub. it could have killed or maimed several people. the situation still unfolding. still a very fluid situation. back to you guys. and overnight, law enforcement officials tell nbc news they may have a possible suspect that scene. one of the bombs which authorities say was filled with shrapnel, went off saturday night injuring 29 people. the other placed inside a pressure cooker was recovered by police and taken for analysis. it was later disabled in a remote location. all twin29 victims have been released. we still don't know who deliberately set off that blast. a similar bombing took place during a military race on the

blast on the left. the one in new york on the right. thankfully no one was hurt. after the race, it started late and subsequently canceled. a person has yet to be apprehended in that case. and now investigators are trying to piece together what if any connection there may have been between the two attacks. chris, a lot of the details have been breaking overnight. what have you learned in the last couple of hours? >> reporter: yeah, and the scene is still active 23rd street in new york's chelsea neighborhood, as they investigate the bomb that went off saturday night, but with all of the developments, this tone and tenner of the investigation is taken on another aspect. and several police sources have told nbc news that they hear that there might be some sort of active terror cell operating in the new york or new jersey area

preliminary information. the fears of some investigators speaking with nbc news and last night around 8:30, there was a car pulled over on the verrazano bridge. five people are being questioned with possible connections with this event and police are trying to tie everything together. all of this at the start of the u.n. general assembly when security would already be tight. an additional thousand guard troops and state troopers here in new york city. >> and a fear that it may possibly happen again. and as chris mentioned, right now a greater sense of alert as president obama and world leaders convene right here in manhattan for the start of the u.n. general assembly and as the manhunt continues, it comes as president obama prepares for his final u.n. appearance, along with a series of high profile

be in attendance. meeting with world leaders. and news that a soldier from the islamic state carried out the mall stabbing spree. a man disguised as a security guard wheeled what looked like a kitchen knife and yelled "allah." >> he s a you a muslim? but how do you respond when someone has a knife a foot from your face? >> moments after the first 911 call, off duty police officer, jason faulkner took the suspect down. >> as the suspect was lunging at him with the knife, not only did he fire, the suspect went down, he came back up on three

potential act of terrorism. the suspect has yet to be publicly identified. local leaders say he is somali and have urged unity in the midst of potential backlash against muslims. >> this has pushed national security back to the forefront just one week before the first presidential debate. and the candidates could not have reacted any differently. donald trump quote. and we're hally jackson has more. >> reporter: after multiple attacks, two very different responses. >> just before i got off the plane, a bomb went off in new york. >> reporter: donald trump reacting fast, just minutes after reports surfaced of the manhattan explosion, before authorities confirmed what happened. >> we're going to get tough and smart and vigilant and we're going to end it. so, we'll see what it is.

raising eyebrows has as he sends his "warmest regards and best wishes and condolences to the victims." and hillary clinton "apparent terrorist attacks." >> we have to let this investigation ung fold and i'll have more to say when we know facts. >> reporter: striking contrasts. >> it goes to the heart of what the american people are do they want someone who demonstrates they know people and know the facts or somebody who in his gut can deal with issues? >> it's a distinction not lost on either campaign. clinton's camp touting his background. >> mr. trump is doing very well on the issue of who would manage radical islamic terrorism. > still, even as trump campaigns on showing strength, he's under

stance from some top republicans, including two time defense secretary, robert gates, calling trump "beyond repair." >> absolute clown, robert gates. believe me, i'm so much better at what he's doing than he is. >> reporter: recent polling shows more trust trump on terror but on best for commander and and 40% of the country could see a massive rise in gas prices at the pump, the details ahead. so, we're finally seeing a little bit of fall? >> no, its this is tropical air. and right down i 95 as we take the timing through the day, 7:00 a.m. to noon, i 95 towards the

and we're likely to expect upwards of three to five inches. and now a closer look at your day ahead. well, we're also watching the warm air continuing from wichita to joplin to kansas city and look at texas. dallas near 100 degrees. so, no signs of fall whatsoever throughout the heartland. "early today" is back in two. us. effortlessly. hillshire farm. because it's worth doing right. at hillshire farm, there's a reason our slow roasted turkey taste so fresh seconds after carving, we not only seal every slice, we double seal it. the results are something to savor.

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bypass line. it spilled upstream from the wildlife refuge. and a mechanical failure is what caused the reno-bound flight lost control and skidded on to a grassy buffer area. passengers tell nbc the pilot told them the brakes weren't working. buses brought passengers back to the no one was hurt in the incident. world leaders arrive for the u.y. general assembly. new york's mayor says 1,000 national guard were being deployed. and stump was being asked to

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? this morning on "today," an exclusive one on one with human rights attorney, amal clooney about how she's battling isis through the courts. >> isis can just be reborn under a different name if you don't change the narrative and change people's minds.

one of the ways too do that is expose them and you can do that through trials. >> coming up on "today." and from one nobel peace prize winning economist. >> very good to see you guys. we have a couple of big rallies here in the market. oil price, and equities rallied. so much for wait and see, see t we get that fed decision on wednesday. most people think we're going to get no move on the interest rate. nobel prize winner says if donald trump wins the presidential election and there is a trade war with china we could have big problems. there could be a big correction of u.s. living standards and a net loss of jobs. and he gives him an "f" in economics. elsewhere, two

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police expressed concerns about a possible "active terrorism network" in the new york and new jersey area... police found at least five explosives inside a backpack at a new station and sent in a bomb robot. police say - the robot was cutting a wire when one of the bombs exploded in elizabeth, new jersey. right now - heavily armed fbi agents are conducting a raid at an elizabeth, new jersey address -- the same town where the bombs were found. we also know police stopped a "vehicle of interest" and questioned five people last night.. none of those five were charged. we'll keep bringing