Man is fatally shot in the head ‘by an MS-13 gang member’ at a crowded New York subway station

A 20-year-old man has been shot dead in broad daylight at a New York subway station with the horrifying gang-related killing captured on camera by fellow passengers.

Police believe the victim and two other men were arguing on a Manhattan-bound 7 train on Sunday afternoon when the deadly fight spilled out onto the platform in Queens.

It is believed the fight was gang-related with the gunman reportedly being a member of MS-13 and the victim part of rival Queens gang 18th Street.