A teenage boy was fatally shot in Gage Park Friday night, police said.(File Photo) View Full Caption Getty Images/ File Photo

CHICAGO — A teenage boy was fatally shot in Gage Park Friday night, police said.

At 7:22 p.m., a 17-year-old boy was walking on the sidewalk in the 5800 block of South Western Avenue. The teenager was approached by an unknown armed offender, who immediately started shooting, said Officer Jose Estrada, a Chicago police spokesman.

When police arrived at the scene they found the teen unresponsive with multiple gunshot wounds to his chest, arm, leg and buttocks. He was taken to Mount Sinai Hospital where he was later pronounced dead, Estrada said.

The boy was identified as Walter L. Wright of the 5300 block of South May Street, the Cook County Medical Examiner's Office said. He was pronounced dead at 8:09 p.m.

According to police, the victim was a documented gang member and believe the shooting was gang related.