Two men were killed and a third person was left in life-threatening condition after the vehicle they were in lost control and rolled off a highway north of Cochrane early Sunday morning.

First responders were alerted to the crash on Highway 22 and Township Road 284, prompting EMS members to rush to the scene.

RCMP were called just after 3 a.m., when EMS found the single-vehicle rollover with three people inside the vehicle in Rocky View County.

Two of the people in the vehicle were declared dead at the scene: a 28-year-old man from St. Albert, near Edmonton, and a 19-year-old man who lived in Red Deer.

RCMP said the third person, who is 31, was airlifted by STARS air ambulance to hospital in critical condition.

A RCMP collision reconstructionist responded to the scene and the investigation is ongoing. Police did not release any possible causes for the crash.