At about 11:28 p.m., state troopers spotted a car driving recklessly west on 71st Street at Union Avenue, police said.
Troopers said they tried to stop the vehicle, but it fled at a high rate of speed and crashed into five parked cars at 71st Street and Francisco Avenue, police said.
At first state police said there was a chase, but they later said no state police units were in the vicinity of the vehicle.
Two suspects were injured and transported to Advocate Christ Hospital with serious injuries, police said. Police initially said one person was killed. No troopers were injured.
Meanwhile authorities said they recovered a gun from the suspect's car. Police also said the car was not stolen.
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