Police say a 56-year-old man was fatally stabbed in Bay Ridge Friday night, and his housemate has been arrested.

Police say 61-year-old Gregorio Arambulo is charged with second-degree murder and criminal possession of a weapon. He is accused of stabbing his housemate, Pedro Reyes, around 7 p.m. Friday at 120 Gelston Ave.

Police say Arambulo was in Reyes' side of the house, and stabbed him the torso.

Reyes was pronounced dead at Lutheran Medical Center.