A New York Fire Department spokesperson explained: "We had one minor injury to a firefighter - some debris fell on him".
Despite Trump's Iran Tweets, US involvement likely to be limited
A man shouts slogans during a protest against USA recognition of Jerusalem, in Tehran, Iran, on December 11, 2017. Many observers are asking why protesters chose this period to demonstrate.
At around 7 a.m., about 70 firefighters rushed to the apex of the Fifth Avenue Trump Tower skyscraper at 57th Street in midtown Manhattan to put out the blaze, fire officials said. "The men and women of the #FDNY are true heros and deserve our most honest thanks and praise!" It's a cooling tower on the roof.
Aerial views showed firefighters on the roof, with smoke billowing from one corner of the high-rise.
People posted video and images to social media, showing smoke rising from the building.
Golden Globes 2018: Stars Will Take Activists to the Red Carpet
Inviting organizers is a savvy way to pass the microphone to those advocating for marginalized women outside the Hollywood bubble. Out of solidarity with the victims of sexual harassment and assault, many women have said they will be dressing in black.
The president has yet to comment on the fire in Trump Tower, where he lived with his wife Melania and their son Barron, until moving into the White House at the beginning of 2017.
The fire was reported to have been caused by an electrical box on the roof of the building and was said to be under control.
The building is the headquarters for the Trump Organization and a residence for President Trump.
Iran: Trump's Tweets Are Inciting Protests
He is a leading expert on Iran and U.S. foreign policy, a businessman and president of the International American Council. Correspondents say it would be a significant escalation were they to become officially involved in policing the protests.
Check back for updates on this developing story.