ONEIDA, Wis. (AP) — Authorities say an Oneida tribal police officer shot and wounded a person in the parking lot of the police department early Sunday morning.

State Department of Justice officials said in a release that police dispatch saw someone drive a vehicle into the department’s parking lot about 1:30 a.m. The person got out of the vehicle and was acting erratically, according to the release.

Dispatch asked a police officer to come back to the department and investigate. The officer and the person in the lot eventually exchanged gunfire, the statement said

The person was transported to a local hospital for treatment of serious injuries. The officer was not injured, authorities said.

No further information was immediately available.