A woman and a 4-year-old boy were injured in a passing car in Gresham on the south side.
The 18-year-old woman and child were standing outside around 11:30 p.m. Chicago Police said in Building 8600 of South Honor Street when someone fired shots from a passing black Dodge Challenger.
Police said the boy was injured in the leg and was taken to Little Mary Hospital in good condition.
Police said the woman was shot in the bottom of her buttocks and was taken to Crest Medical Center in Oak Lawn in good condition.
The investigators do not believe the woman was the intended target.
No one is in custody while District Two investigators are investigating.