Indiana Conservation Officers are investigating a boating accident in which a personal watercraft (PWC) exploded Monday afternoon on Jimmerson Lake. Emergency personnel responded to the area of County Road 300 W and Lane 101. The Bombardier Sa-Doo, had just been launched into the water and docked. When it was started to leave the dock with three people aboard, it exploded. The three people were thrown from but uninjured, and they refused medical treatment.