US police car. File photoWASHINGTON, Jan 20 Unidentified gunmen fired at a school bus in the US city of Pittsburgh, killing a 15-year-old student, local police say. Law enforcement officers are looking for two suspects. It is noted that only a student and a driver were on the bus at the time of the incident. was shot outside while sitting on a school bus. He was taken to the hospital in critical condition by medics. No one else was hurt,» the message reads. />There was a shooting in a concert hall in the USA
