POSEN, Ill. (CBS) — Shots were fired on Interstate 57 near 147th Street late Thursday afternoon, prompting the closure of the northbound side of the expressway.

The shots were fired at 4:59 p.m., according to Illinois State Police. No injuries were reported.

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Around 6:40 p.m., all northbound lanes of I-57 at 147th Street were closed for investigation. They later reopened.

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This happened hours after two separate expressway shootings in the Chicago area left people wounded.

First, a person was shot on the inbound Eisenhower Expressway between Des Plaines and Harlem avenues. A person was shot a few hours later on I-80 near Larkin Avenue in Joliet.

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Anyone who witnessed the shooting or has information is asked to call state police at (847) 294-4400 or to email ISP.CrimeTips@Illinois.gov. Witnesses may remain anonymous.

CBS 2 Chicago Staff