Illinois State Police said a shooting was reported in the northbound lanes of I-57 near 147th Street around 5 p.m. No injuries were reported.
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State police did not provide further details. Troopers could be seen walking along the expressway looking for evidence around 7:30 p.m. Inbound lanes reopened at about 8:35 p.m., according to state police.
Anyone who witnesses the shooting or has any knowledge of it is asked to contact ISP by phone at 847-294-4400 or email at ISP.CrimeTips@illinois.gov. Witnesses can remain anonymous.