Brown Deer police are working with the Wisconsin Interscholastic Athletic Association to investigate a fight last week after a high school basketball playoff game.
A 55-year-old Greenfield man was arrested after he pushed a 16-year-old girl, but no serious injuries have been reported.
Pius X-I defeated Milwaukee School of Languages and there was extra security present when the winning school played Pewaukee at Cudahy High School Saturday.
Police say they found several people arguing in the parking as their units arrived but tensions were quickly eased.
