No injuries reported so far as Bronx high-rise building partially collapses with a ‘loud boom’

(CNN) — A high-rise building in the Bronx has partially collapsed, the Fire Department of New York posted on X .

It was not immediately clear what caused the partial collapse of the building at 207 Alexander Avenue.

There were no immediate reports of injuries, but a search-and-rescue mission is underway, authorities said. Some residents have been evacuated as a precaution, CNN affiliate WABC reported.

One witness said she called 911 after seeing smoke near the building this morning.

“I was explaining to the lady what I saw, and she was like, ‘Hold on, let me transfer you to the fire department,’” the witness told CNN affiliate WCBS .

“Before she was about to do the transfer, the whole building just – you heard a loud boom, and the thing just exploded. And it fall down just like