The Department of National Defence says an investigation is underway after four cadets died in an incident involving a vehicle at the Royal Military College in Kingston, Ont. The incident happened shortly after 2 a.m. Friday on Point Frederick, a peninsula at Canadian Forces Base Kingston that sits between Kingston Harbour and Navy Bay on the St. Lawrence River. Investigators were seen Friday examining the road and shoreline in boats and on foot. Frontenac Paramedics said four patients were treated at the scene but none of them were taken to hospital. The Royal Military College (RMC) is located on the...