And now, isis claiming responsibility. Toxic sinkhole. More than 200 million gallons of radioactive water already flowing into the source. Residents worried about their Drinking Water. And, fire in the sky. The plane full of skydivers, engulfed. Crashing into an arizona home. How the passengers and pilot somehow survived. Good evening. Im tom llamas. As we come on the air, were following breaking news. An urgent manhunt for a bomb maker who set off an explosive device in new york city. One of three attacks in the United States that Authorities Say may be terrorism. New york city on edge tonight, after this explosion next to a metal dumpster, detonated by cell phone. The blast ripping through the west side of manhattan. 29 injured as police swarmed, and residents were warned to get just four blocks away, a Pressure Cooker with exposed wires, recovered by police. Who are investigating it tonight. There are more than 1,000 additional officers including the National Guard patrolling the streets of new york right now. And now, fears that it may be connected to another blast earlier in the day in new jersey. Brian ross is following the urgent manhunt. But we begin with linzie janis at the blast site. Reporter tonight, the massive manhunt for the person or people responsible. For this terrifying scene. We know there was a bombing. That much we do know. Reporter surveillance images captured the moment the powerful blast strikes. Just past 8 30 p. M. People out strolling, suddenly running for cover. A bomb just went off in new york. Reporter this man walked towards the scene in shock. Debris, everywhere. Reporter within moments Law Enforcement descending on 23rd street. Maam, get off the street with your kids theres units saying there was an explosion from a garbage pail. Have units stay off the block. Reporter the force of the explosion blowing out windows. We just ducked. Reporter shards of glass and shrapnel flying like missiles. I thought in my mind, a building was collapsing. Reporter ramon lopez racing to help this woman, bloodied and dazed. Come with me. Come with me. Come with me. Im helping you. Youre okay. Nothing is going to happen to you. Reporter First Responders leading the injured into ambulances. All of a sudden we hear, boom it was loud, and shook the building. Reporter investigators begin sifting through the debris. The bomb, placed next to this this was an intentional act. Reporter then, word that a second suspicious device had been found just four blocks north. Weve just been moved out of this area, near 26th street. The Police Telling us this is a hot zone, and theyre looking at another device. Two former new York State Troopers finding this Pressure Cooker. Residents told to stay away from windows. The neighborhood, still an active crime scene. As Authorities Say they have not was it a political motivation, a personal motivation . What was it . We do not know it yet. Linzie, what are we learning about the more than two dozen injured . Reporter tom, i spoke with the fire commissioner earlier, he told me most of the injuries were shrapnel, glass, also people falling in the chaos. Most of the 29 injured have been taken to the hospital. While authorities are calling the blast intentional, investigators are pouring over evidence from the crime scene as the hunt for the bomber or bombers continues. Brian ross with the manhunt tonight. Reporter as authorities tonight hunt for a bomber on the loose, the most important clue could be the device that did not explode, a Pressure Cooker connected to wires and a cell phone, found fou plastic bag. Authorities believe its similar to the device that did ignite. Apparently triggered in some manner by a cell phone. The word is both devices are Pressure Cookers, similar in construct. Reporter the new york Police Bomb Squad used a robot to remove the unexploded device, and registration on the cell phone. We want to do so intelligently, move forward, right now that is evidence that could be crucial to our case. Reporter investigators marking every tiny piece of postblast debris on the street. Officials say they have determined the explosive was a commercially available substance called tannerite. Online videos offer insti it off. Police are also doing a slow motion analysis of the Surveillance Video of the scene to see if the bomber could be among the pedestrians before the blast. We want to see who was on that street prior. Reporter and afterwards, to see if the bomber use the chaos of the moment explosion from a garbage pail. Reporter to cloak his getaway. And brian ross joins us now. Are there any suspects at this hour . At this point, no suspects and there has been no claim of responsibility from any terror group. But Pressure Cookers have been used by terrorists around the world. Most recently, the two bombs set off at the boston bombing three and a half years ago. And whoever was responsible, it certainly was terrifying and terrorizing to the citizens of new york. Brian, thank you so much. And were learning more about the pipe bomb earlier in the day, less than 100 miles to the south, that was detonated on the route of a charity race to raise money for marines. No one was injured, but as gio benitez reports, the blast could have been deadly. And authorities are not ruling out a connection to the new york bombing. I got some type of explosion inside of a garbage can. Reporter tonight, federal investigators looking into whether a pipe bomb that tore apart this trash can in new jersey is related to the bombings in new york city. Shut down the run, get them out of the boardwalk. Saying they appear to be similar types of phones. They are terrorism, though. Theres no doubt about that. They are terrorism. Reporter the bomb was set to go off along the route of a charity race for the marine corps. It was a loud boom, like a bomb. The explosion was probably 20 feet high. Reporter luckily, the race had been delayed because of a large turnout. No one was in the area when the bomb exploded, and there were no injuries. If the race would have very well been dealing with an event with multiple casualties. Reporter the event is similar to the 2013 Boston Marathon bombings that killed three and injured hundreds of others, in what could be a copycat attack. And this is where that bomb went off. Tonight, we know there were three components to the bomb, all wired together. But only one went off. Tom, this could have been so much worse. Meantime, authorities in minnesota are calling a mall stabbing there a potential act of terrorism. Shoppers running for cover after a man in a Security Guard uniform talking about allah started attacking nine people that were injured before Police Killed the suspect. Eva pilgrim on what investigators are now learning. Reporter tonight, the fbi confirming it is investigating if the man had ties to terrorism. We are investigating this as a potential act of terrorism. Reporter today, isis calling the man a soldier of the Islamic State who acted in response to calls to target citizens. Authorities say the attacker made references to allah during the five minutes of terror he brought to this mall. There was at least one victim who was asked if they were muslim. Attacker, wearing a Security Guards uniform, stabbed nine people before being brought down by an offduty police officer. The police now scouring mall security video. You saw him lunge at the police officer, and the officer then fired a few rounds. You see him fall, and you see him get back up. Reporter police say the attacker got up three times before the fatal shot. The officer, jason falconer, being called a hero. Tonight, authorities are searching the attackers home, trying to figure out what motivated him to walk into this mall and hurt nine people. Tom . Eva, thank you. And i want to bring in pierre thomas. Pierre, three separate events. All have hallmarks of terror. As i watch our coverage, im amazed no victims were killed today. What are your sources saying about any possible links . They dont believe there are but authorities are investigating whether the new york and new jersey bombings are linked. Theres intense focus on cell phones apparently used in each attack. Make no mistake, this is an extremely tense moment for Law Enforcement. These three cases are a reminder that the country remains in a high threat tempo environment. And with isis claiming credit for inspiring the minnesota stabbing, remember the fbi has identified roughly 800 isis sympathizers in the country. Timing. The United NationsGeneral Assembly is set to begin tomorrow. So, what was already a security headache is now wrapped in an extra layer of concern. Tom . Pierre, thank you. And both president ial campaigns are responding to the attacks. Donald trump saying were going to end it. Apparent terrorist attacks in minnesota, new jersey and new york. National security now squarely in the spotlight as the race tightens. The first debate just over a week away. Heres mary bruce. Reporter less than an hour after the explosion rocked manhattan, donald trump spoke out. A bomb went off in new york, and nobody knows exactly whats going on. But, boy, we are living in a time, we better get very tough, folks. Reporter describing it as a bomb even before the cause was confirmed. We have to let this investigation unfold. Reporter arriving in new york, Hillary Clinton seemed to scold trump for his quick determination. Its always wiser to wait until you have information before making conclusions. Reporter as the race tightens, the president is making an impassioned plea to africanamerican voters. If this community lets down its guard. Reporter trump is trying to put the Birther Movement he led behind him. President barack obama was born in the United States, period. I am so relieved the whole birther thing is over. Reporter but as trump drops one false conspiracy theory, hes spreading another. Hillary clinton and her birther controversy. Reporter thats not true, but today that didnt stop the Trump Campaign from repeating the claim. What is the proof . Well, i just would refer you to news reports. Reporter clinton is not letting trump off the hook. We need ideas, not insults. Reporter and with the first debate eight days away, terrorism will now likely play a bigger role. Both candidates already prepping, sources say clinton next to florida, where a massive sinkhole has opened. And more than 200 million gallons of contaminated water spilled into one of the states main sources for Drinking Water. Despite what authorities are saying, as Gloria Riviera reports, residents are concerned. Reporter tonight, growing concern over this leak thats spewed toxic waste into a water supply source for millions of floridians. The leak, a problem for more than three weeks. An employee of the Fertilizer Company mosaic discovering this massive sinkhole, 45 feet wide in diameter. So far, 215 million gallons of what the company says is only slightly radioactive water has been released. Mosaic claiming local Drinking Water is safe but the company says, we did not notify residents because there has been no offsite impact and no impact on residents. But not everyone is convinced. The first word that comes to your mind when you hear radioactive is cancer. Immediately notified the epa and dep and began removing the tainted water, but the Recovery Process could take months. Gloria riviera, abc news, washington. Gloria, thank you. Much more ahead on world news tonight. First, the sweeping recall. Now, new trouble for samsung after this man says his phone burned his leg. Take a look at that. The lawsuit filed tonight. And a fire on a plane sends it crashing into a home. But get this. The passengers and pilot all survived. How they esc romantic moments can happen spontaneously, so why pause to take a pill . Or stop to find a bathroom . Cialis for daily use, is the only daily tablet approved to treat erectile dysfunction so you can be Ready Anytime the moment is right. Plus cialis treats the frustrating urinary symptoms of bph, like needing to go frequently, and medicines, and ask if your heart is healthy enough for sex. 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We are getting reports it was on fire before it went down. I saw a ball of flame, going straight, then it went straight down. Reporter four skydivers set to jump at a local festival, all bailing out without a scratch. The pilot also jumping out, about half a mile away, suffering burns and other once the plane is on fire, he cant stay with it and fly it at night to a safe landing spot. So, all he can do is bail out. Reporter the pilot now recovering. Amazingly, the two people inside the home escaped uninjured. And now the ntsb is investigating. Tom . Adrienne, thank you. When we come back, a football furor growing tonight. Former nfl player and convicted rapist darren sharper, could he be inducted into the pro football hall of fame . And the sound that brought this teen to tears. A whole new world thanks to a new hearing device. New hearing device. Stay with us. Uh, hello . A meeting . Its a big one. Too bad. We are double booked diarrhea and abdominal pain. 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Humana medicare advantage. The plan people stick with. Icrosoft theater. Back now with our index. And more trouble for samsung. A florida man filing a lawsuit. Jonathan strobel claiming his phone exploded right in his pocket, severely burning his right leg. You can see it there. Samsung saying tonight, theyre aware of this incident but wont comment on this case and that all note 7 owners should shut next, the growing outrage tonight. Darren sharper is serving an 18year prison sentence for raping several women. Still, someone nominated him for the football hall of fame. Despite the furor, his name will go before the Selection Committee next year. The Organization Says the players are selected by a separate panel, based solely on their contributions to the sport. Now to an incredible moment. A hearingimpaired teen hearing something she hadnt heard in 14 years her mothers voice. Can you hear my voice . Yes. Thats breanna mendoza, hearing again thanks to a new cochlear implant. 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