A late-night dirt bike collision in the Horse Creek area near Cochrane has claimed the lives of two 21-year-old men, according to RCMP.Cochrane RCMP say they received a report of a serious off-road crash involving two motocross bikes at 12:42 a.m. on Saturday. Emergency responders, including RCMP, fire crews, and EMS, arrived to find both riders with severe injuries.Despite efforts by bystanders who attempted emergency first aid, both men — identified as Cochrane residents — were declared dead at the scene.The cause of the collision remains under investigation.