The FDNY says crews responded to a fire early this morning on Schenectady Avenue near the intersection with Saint Johns Place in Crown Heights.
The Citizen App video shows the scene at about 1 a.m.
Smoke and flames were coming from the top of the three-story building.
FDNY says it took about an hour to put the fire out.
According to officials, one person was injured but refused medical attention.
The fire marshal is investigating the cause.