The shooting happened at about 11:49 p.m. in the 5000-Block of S. Hoyne Avenue, according to CPD.
CPD said the victims were standing outside when they heard gunshots and felt pain.
A 20-year-old man was shot in the chest; he was taken to the University of Chicago in critical condition.
A 16-year-old boy was shot in the left leg; he was taken to a hospital and is expected to be OK.
CPD said an 18-year-old man was shot in the right shoulder; he was taken to a hospital and is expected to be OK.
No other injuries were reported. Chicago police are investigating.
Nobody is in custody.
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