BROOKLYN, N.Y. (PIX11) – At least three people died and 14 others were injured after a massive fire broke out in a Crown Heights apartment building Sunday morning.

The fire broke out around 4 a.m. at 242 Albany Ave., FDNY officials said.

There was heavy fire on three floors of the building, according to FDNY Chief of Operations John Esposito.

“A fire operation like this with heavy fire… very dangerous operation for our firefighters; at the same time, conducting searches,” Esposito said.