DEERFIELD, Ill. (CBS) — There was a scare for a driver on the Tri-State Tollway in Deerfield late Sunday morning when a bullet came flying through his windshield.

It happened just before noon on the Tri-State (I-94) near Half Day Road.

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Illinois State Police said the man was driving south on the Tri-State when someone started firing at his car. The vehicle from which the shots were fired did not stop.

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The man was not hurt.

Traffic was shut down for several hours while troopers looked for clues and bullet shell casings.

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No one was in custody Sunday night.

CBS 2 Chicago Staff