Man breaking up fight on subway platform stabbed

A man trying to break up a fight at a Brooklyn subway station was stabbed by one of the men involved in the dispute, police say.

The Good Samaritan was stabbed in the arm and rushed to an area hospital after the attack at the Smith and 9th Street station in Gowanus at around 4: 15 p.m. Thursday, according to the NYPD. The victim is expected to be OK.

Police said he tried to intervene in a fight on the platform between two men when one of them attacked.

Chopper 4 was over the scene and showed several police cruisers and an ambulance.

No arrests have been made. The suspect was last seen wearing Aviators and took off in an unknown direction.

The investigation is ongoing.