NEENAH, Wis. (AP) — Police are investigating an exchange of gunfire between occupants of at least two vehicles in the parking lot of a Shopko store in Neenah.

The shooting happened about 6 p.m. Sunday. Authorities say shots were exchanged between at least two vehicles that fled from the parking lot before officers arrived. Officials say they don't know if anyone was hurt.

Police provided no other details.