The man, 21, was shot in the chest and suffered a graze wound to the ankle in the attack in the 200 block of West 113th Street about 11:40 a.m., said Chicago Police Department News Affairs Officer Stacey Cooper. The man was in serious but stable condition at Advocate Christ Medical Center this afternoon, she said. The man was on the porch when a car drove by and someone in the vehicle fired shots at the man, then fled the scene, Cooper said.