Police are looking for a suspect in the shooting death of a man inside a Brooklyn barber shop.

Police say 38-year-old Warren Billings, of Brooklyn, was shot once in the head just before 4 p.m. Saturday by an unidentified man who fled the scene.

The suspect was last seen running eastbound on Cortelyou Road toward East 22nd Street.

Billings was pronounced DOA at the scene. There have been no arrests.