The shooting happened a short time just before 4:40 p.m. near 70 E. Oak St., police said.
Three people were shopping on Oak Street when two vehicles pulled up. Four people exited those vehicles and shot at the shoppers on the sidewalk, police said.
The shooters also struck a woman in a vehicle on the street.
A 26-year-old man was transported to Northwestern Memorial Hospital, where he was pronounced deceased. A 26-year-old woman was transported to a local hospital in serious condition, and a 36-year-old man is in serious condition at Northwestern, police said.
Police have asked people to avoid the area as they investigate. They are working to recover video from the nearby stores and seeking out witnesses.
Anyone with information is asked to submit an anonymous tip at cpdtip.com.
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