Shots on a train trip to San Francisco, a dead man

The shooting occurred on Wednesday around 10:00 at the Castro station, by local time, and according to the police it seemed to be an isolated incident.

The killer has dropped off the train at Castro station and has left while the police are in pursuit of the killers.

Still unclear is whether the killer and the victim were familiar with each other. At the moment, the Metropolitan Trains service has been suspended.

Investigators were also checking images from cameras in the train and at the Castro station.

Police said the suspect is a man dressed in dark clothes, wearing a hood jacket.