A man was shot and killed in the South Station building of the Philadelphia Union Station in Philadelphia on Sunday, authorities said.
The suspect was pronounced dead at the scene.
Police are searching for the person of interest in the killing, but did not release his name.
Police said the suspect was armed and “wearing a mask” when he opened fire.
No arrests have been made.
Police were working at the site Sunday evening to locate a man who was shot by a suspect in the North Philadelphia area of the station.
Police told the Philadelphia Inquirer that there were reports of shots fired, and that the shooting happened at around 4:30 p.m. in the parking lot of the South and North South Street parking garages.
Police did not immediately respond to a request for further information on the incident.