 The Dakota County Sheriff's Office says it happened at about 5.30 p.m. Saturday on Lake Marion at Antlers Park in Lakeville. Witnesses said two men were outside the designated swimming area when they were knocked into the water. Neither man could swim. A bystander rescued one of the men, but the other went under the water before he could be rescued. His body was recovered at about 8 o'clock that night in eight feet of water, about 40 yards from shore.