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St. Louis, MO (KSDK) - A multiple vehicle crash on westbound I-70 at the North Broadway, O'Fallon Park exit caused several lanes of the highway to be closed overnight.

The collision was reported just before 1:00 a.m. and by the time investigators arrives at the scene, witnesses told police one of the vehicles fled the scene.

Initial indications suggested three vehicles were involved in the crash, with one vehicle ending up on its side in the traffic lanes of the interstate, a second vehicle sitting on a shoulder and the third vehicle and the driver taking off after the crash.

No immediate word on injuries and police are continuing to search for the other vehicle involved.