One man critical after shooting in West Philadelphia

Police in Philadelphia are investigating after a shooting leaves one man in critical condition.

Police say they were called to the 4600 block of Samson Street just after 5:30 p.m. Saturday.

After they arrived, they discovered a 22-year-old man had been shot one time in the back of the head.

The victim was transported to the University of Pennsylvania Hospital and was listed in critical condition.

Police are investigating the scene. No arrests have been made.