PHILADELPHIA (CBS) — Philadelphia police are investigating a shooting outside a nightclub in Port Richmond that left four people wounded.

It happened around 3 a.m. outside the Castor Club along the 3000 block of Castor Avenue.

Investigators say a 22-year-old man was shot ten times in the back. He was taken Temple Hospital in critical condition.

A 29-year-old woman and a 23-year-old woman each suffered a gunshot wound to the leg. Another 23-year-old woman was shot once in the stomach. All three women were listed in stable condition.

No arrests have been made.