When officer arrived at accident scene, rescue crews were on scene above dam securing a rope to injured who was standing on the concrete ledge below a flood gate. Officers secured a landing zone for helicopter while crews rescued injured passenger.  Officers took statements from witnesses on the scene. According to witness statements a red vessel was fishing in front of a closed gate below dam. The gate to the left was discharging water and started pulling the red vessel closer. Witnesses then stated that one of the three occupants tried to start the outboard but could not get it started in time and the vessel went toward the discharging water. One occupant was said to have jumped out before the vessel capsized under the water. Several fishermen were near and pulled two males out of the water but stated they were not alive. According to statement by surviving injured person, vessel operator tried to start the outboard while the other passenger on board went for the trolling motor.  Surviving injured stated that he knew it was too late and put on a pfd and threw one to the operator after he fell out of the vessel into the water but was unsure if either deceased persons were able to put one on. The vessel was in a restricted area at the time of the accident.  Alcohol and/or drugs were not involved in this fatal accident. A pfd was being worn by the surviving victim, the deceased operator and passenger were not wearing pfd's at the time of the accident.
GRAND RIVERS                  