BART police cited a man Saturday in San Francisco for battery on a BART station agent, police said Sunday.
Officers responded at 9:54 p.m. to the Powell Street BART station where the man had slapped the agent.
Officers found the man on Market Street and the agent identified him as the suspect.
Police said the man was in need of a psychiatric evaluation and was taken to a hospital.
The station agent was not injured. Police said they issued the suspect an order that prohibits him from riding BART for a period of time.