Police said the shooting happened in the Gresham neighborhood's 7800-block of South Marshfield Avenue just after 7:30 p.m.
Officers responded to a call about a person shot and found a 14-year-old boy who had been struck by gunfire.
Police said the victim, who suffered multiple gunshot wounds to the body, was transported to Comer Children's Hospital in critical condition.
There is no one in custody and Area Two detectives are investigating.
Police did not immediately provide further information about the shooting.
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