Police have identified the man gunned down last night in West Philadelphia as Marquan Royster, 18.

Royster, of Irving Street near 60th, was shot several times in his head and right leg on his block shortly before 10 p.m., police said. Police rushed him to Penn Presbyterian Hospital, where doctors pronounced him dead at 10:15 p.m., police said. Royster was the city's 52nd murder victim of 2015, police data shows.

Police reported no suspects or motive. Tipsters, call homicide detectives at (215) 686-3334 or -3335. The city offers a $20,000 reward for tips leading to the the arrest and conviction of the killer.