One man is dead following a single vehicle rollover just south of High River Thursday morning.

EMS Spokesman Adam Loria says it happened just before 7 A.M., and had crews from High River, Cayley, Nanton, Vulcan and Black Diamond all respond.

Loria says three others were injured in the crash and taken to hospital, one with life threatening injuries.

"One via STARS air ambulance, that was an adult female, taken to hospital, unfortunately in life threatening condition. And as well a male and a female, both adult, transported by ground paramedics, again to the Foothills (Hospital), in serious, but luckily stable condition and not considered life threatening at this point."

Police say the an F-150 pick-up truck left the roadway, hitting an approach causing it to roll.

The man who died was ejected from the vehicle and pronounced dead at the scene.

Both northbound lanes have since been re-opened to traffic.

RCMP continue their investigation.

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