Donald TrumpDonald John TrumpThe Guardian slams Trump over comments about assault on reporter Five takeaways from the first North Dakota Senate debate Watchdog org: Tillerson used million in taxpayer funds to fly throughout US MORE, taking the podium at a rally in Colorado Springs, Colo., announced to the crowd that a bomb had exploded in New York City. But it was at that point unclear what caused the explosion that injured 29 people.

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"Just before I got off the plane, a bomb went off in New York, and nobody knows exactly what’s going on, but, boy, we are really in a time. We better get very tough, folks," Trump, the Republican presidential nominee, said. "It’s a terrible thing that’s going on in our world and in our country, and we are going to get tough and smart and vigilant. We’ll see what it is.” 

Law enforcement responded to an explosion in Chelsea that occurred around 8:30 p.m. Law enforcement said at a press conference around 11:30 p.m. that the cause of the explosion was still unclear. They said they believed it was intentional but was not tied to terrorism. 

Around 11:45 p.m., Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonWatchdog org: Tillerson used million in taxpayer funds to fly throughout US Republicans cancel airtime in swing Vegas district The Democratic Donald Trump is coming MORE responded to the incident as she was fielding questions from press on her plane. She said she had been briefed on the situation and had been in touch with the mayor's office.

Clinton, who did refer to the incident as a "bombing," said she would "have more to say about it when we actually have some facts." 

Asked about Trump's hasty response, Clinton said, "I think it's important to know the facts about any incident like this."