Police are searching for an assailant who killed a man and a teenager and injured another teenager during a shooting late Friday in Colwyn Borough, Delaware County.

The shooter fired several times at about 10:30 p.m. near the intersection of 4th and Walnut Streets, striking the victims, ages 15, 16, and 20.

The victims were transported to Penn Presbyterian Medical Center in Philadelphia, where the 16- and 20-year-olds died. The 15-year-old, who was struck in the arm, is being treated for his injuries.

Police ask that anyone with information call Colwyn Police at 484-494-4900 or Delaware County CID at 610-891-4861.