PHILADELPHIA (CBS) – Three people, including a 15-year-old boy, are hospitalized after a shooting in West Philadelphia Thursday night.

The incident happened at about 7:54 p.m. at N. 50th Street and W. Thompson Street.

All three victims were taken to the Hospital of the University of Pennsylvania.

Philadelphia Police say a 15-year-old boy was shot in the back.

A 21-year-old man was shot multiple times in the chest and arms.

A third victim, a 22-year-old man, was shot twice in the right leg.

All three victims are listed in critical condition.

Police are investigating.

There have been no arrests at this time.