A 20-year-old man was shot on Pulaski Road near 77th Street in the Scottsdale neighborhood, police said.
Police said gang members in two cars exchanged words before shots were fired around 1:30 a.m.
The 20-year-old was dropped off at Advocate Christ Medical Center with wounds to the head and shoulder and was in critical condition, police said.
Police questioned a person of interest but no one has been arrested.
Copyright © 2015, RedEye