ALEXANDRIA, Minn. (AP) — Police in Alexandria say a 31-year-old Glenwood man died after a reported fight in a park.

The Alexandria Police Department says officers responded just before 1 a.m. Sunday to a call of a fight with a man down and seizing at Legion Park.

The officers attended to the 31-year-old man, who was suffering from apparent head trauma. He was taken by ambulance to a local hospital but died.

Police say officers spoke with several witnesses and detained a 19-year-old man involved in the fight, but he was released after further investigation.

No names were released.

This case remains under investigation.