Police are investigation the death of a 32-year-old man who was struck by a semi trailer truck on Highway 43 near Gunn, Alta.

Police say Clayton Joseph Horsethief was found dead when officers arrived at the crash scene at about 11:20 p.m. MT Saturday night.

Gunn, AlbertaGunn, Alberta

Stony Plain RCMP Sgt. Gerry Babin said Horsethief was walking eastbound along the highway when he was hit by the truck and trailer.

A collision analyst is assisting police with the investigation.

Babin said Horsethief's next-of-kin have been notified.

Gunn is approximately 75 kilometres to the west and north of Edmonton.