Police said two juvenile victims were found on the 100 block of Lafayette Avenue around 4:20 p.m.
One victim was shot in the torso and taken to Crozer Hospital where he was pronounced dead on arrival, borough police said. The second victim was treated for a gunshot wound to the foot, they added.
Anyone with information is asked to call Collingdale Police Department Sergeant Patrick Crozier at 610-586-0502 or call Delaware County Criminal Investigative Division Detective Michael Jay at 610-891-4161.
Anonymous tips can be submitted to the Delaware County Crimewatch page.
Click here to follow Daily Voice Warminster-Southampton and receive free news updates.