Big Headlines: Four soldiers dead after tragedy at CFB Wainwright

Plus: federal Conservative Leader Pierre Poilievre offers condolences to the families of the soldiers who died at CFB Wainwright, Alberta labour leaders say the tragedy that struck over the weekend in the province demonstrates the need for national unity, another former Marineland beluga whale has died, Statistics Canada says the annual pace of inflation rose to 3.1 per cent in September as war in the Middle East continued to drive up gas prices, and how is Canada combatting its drug problem?