A male victim was seated on a train when a male suspect (BM, late 30s, 6', muscular, grey shirt, tan shorts, black shoes) hit him in the head with an unknown metal object. The suspect also punched and kicked the victim before fleeing the train and running out of the station. According to the victim and witnesses, the attack was unprovoked. The suspect was not located. The victim was treated for a laceration to his head and transported to the hospital via ambulance with non-life threatening injuries.