Dense fog caused several accidents in Utah County on Wednesday morning, including a four-vehicle pileup on the I-15 overpass on 500 East in American Fork.

Several people suffered minor injuries and were transported to a local hospital.Two other accidents occurred in American Fork, each involving two cars.

A fourth accident occurred in the northbound lanes of I-15 near the rest stop in American Fork. The accident involved three vehicles, according to a Highway Patrol dispatcher. No one was seriously injured.

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