One person is dead after a vehicle struck a rock cut on Highway 502.
The accident happened Sunday at around 1 p.m. about 72 kilometres south of Dryden.
Three other people were taken to Dryden hospital for treatment of unknown injuries.
No names have been released.
The accident also caused a small fire which was extinguished by the time firefighting resources arrived on scene.
The accident closed the highway for five hours.