CPD said officers and Chicago fire crews responded about 11:35 p.m. to the 4800-block of South Kilbourn Avenue and found at least 15 cars on fire in an open lot in the area.
Police classified the incident as arson. There were no injuries reported, and there is no one in custody.
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Area One detectives and fire investigators are looking into what happened.
This is a developing story; check back with ABC7 Chicago for updates.