Bruce Peninsula OPP is investigating a serious assault that has left two men hospitalized.
Between 1 a.m. and 2 a.m. Monday morning, a verbal altercation between a man and three others outside of the Sauble Dunes Restaurant in Sauble Beach, became physical.
A friend of the lone male stepped in to calm the situation, but was assaulted and suffered serious non-life threatening injuries.
The men were treated at the scene and the second male was transported to Wiarton Hospital for treatment of his serious non-life threatening injuries.
The investigation continues.
