An 18-year-old man was shot and killed on York Street, near 5th in North Philadelphia just after 9 p.m. Thursday, police said.
Police Chief Inspector Scott Small said the man was shot once in the chest, and once in the head.
Medics pronounced the man dead at 9:25 p.m., Small said.
There was limited information available on a possible suspect early Friday morning.
However, Small said the man who fired the fatal shots was wearing all red, and was last seen running east on York.