Ontario Provincial Police say a 64-year-old from Leeds and the Thousand Islands Township was pronounced dead at the scene, while a second person was sent to hospital. (Jillian Renouf/CBC - image credit)Ontario Provincial Police are investigating after one person died Saturday in a boating incident on the St. Lawrence River west of Brockville, Ont. There were two people on board, according to the OPP. A 64-year-old from Leeds and the Thousand Islands Township was pronounced dead on the scene, while a second person was sent to hospital. Witnesses are asked to contact the OPP's Leeds County detachment.