Officers responded to investigate a report of a male subject masturbating on platform #2 at the West Oakland Station. After a brief struggle the male subject was detained. No one came forward to press charges against the subject. It was determined that the subject was in need of a mental health evaluation. The subject was placed on a psychiatric detention. The subject was transported to a local hospital. Upon being medically cleared the subject will be issued a Prohibition Order and booked at the County Jail for resisting arrest.