Injuries were non-life-threatening, and the blaze was declared under control by 8:15 a.m., Dwyer said.
Footage of the incident shows around a dozen firefighters on the roof of the tower, while white smoke billows from one corner of the top of the building.More news: TCL's BlackBerry KeyOne Bronze Edition is more than a change in colour
Trump Tower retains a large security presence and is often protected during large public events in Manhattan.
The Fire Department of NY says it's at the scene of a fire at Trump Tower in Manhattan.
However, two civilians and a firefighter are said to have sustained minor injuries from the blaze, which caused a large plume of dark smoke.More news: Razer Project Linda hands-on: Android phone-powered notebook
The fire was reported by secret service members around 7 a.m. and started on the roof of the building. There were no evacuations and no one was reported injured, the spokesman said.
Eric Trump tweeted "There was a small electrical fire in a cooling tower on the roof of Trump Tower".
Trump Tower has been protected by heavy security presence since President Trump took office.More news: Ford Debuts Details on Diesel F-150 Pickup
U.S. President Donald Trump was in Washington at the time. The New York Fire Department was here within minutes and did an incredible job. Many joked about the building being on fire. The fire triggered a massive response from firefighters.