PHILADELPHIA (CBS) — Police are investigating after a man was shot and killed in the Olney section of Philadelphia.

Police were called to 4th and Roselyn Streets just after 2 a.m. Tuesday.

Officers found a 23-year-old man shot in the head at what they believe to be point-blank range.

He was pronounced dead at the scene.

Authorities have not released the identity of the victim.

Police are still searching for the shooter and a motive.