A police officer fell from a fire escape in Brooklyn and suffered unknown injuries tonight, cops said.

FDNY responders said they received a call at 8:54 p.m. for an officer who was injured at 456 Georgia Avenue in Brownsville.

Police said the cop was transported to King’s County Hospital in unknown condition.

It wasn’t clear if the officer was chasing a perp at the time. Cops said the incident is under investigation.