Stratford police are investigating a possible assault at Milt Dunnell Park in St. Marys.
Police received a report of an unconscious man at Summerfest concert on July 26 at 12:30 a.m.
Officials say the man was found near the portable washrooms in the park and was taken to hospital by paramedics for a head injury.
The man was later released.
Anyone with information on the injuries or how they were sustained is asked to contact Const. Thomas Moschopedis at 519-271-4141 extension 8114.
