Philadelphia mourns after multiple shootings leave young victims dead and traumatized.

A 14-year-old boy was shot and killed on a West Philadelphia SEPTA train platform, marking the third shooting at the 52nd Street SEPTA station in just the last month and a half. The victim was shot in the arm and chest and later died at the hospital. Police are investigating the incident, but no weapon has been recovered and no arrests have been made. The Philadelphia gun violence epidemic continues to plague the city, with officials calling for increased efforts to make public transit safer.