BART Police received a call that a suspect punched an adult female passenger while on board a Dublin bound train at the station and then off-boarded. The suspect was described as an unknown white male adult 35-40 years, 5’9”, 160, brown hair, blue eyes, wearing a yellow jacket, blue jeans and was carrying a black bag. The female victim said the suspect got up to leave the train and punched her in the shoulder before leaving for an unknown reason. The victim was not injured. Officers searched for the suspect but were unable to locate him. The victim stayed aboard the train and was contacted by an officer at the West Oakland Station.