Rochester, MN (KROC-AM News) - Rochester police are investigating a shooting that occurred outside a northwest Rochester apartment building Friday afternoon.

Officers were dispatched to the Heritage Manor complex along the Highway 52 West Frontage Road near the IBM property around 4 p.m. A spokesman says witnesses heard at least two shots being fired before three vehicles were seen leaving the parking lot. The vehicles were identified as a silver Ford Taurus, a white Toyota Corolla, and a silver Saturn.

Police recovered a single spent shelling casing at the scene and there were no reports of injuries.

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