A 23-year-old woman from Moose Jaw is dead after the vehicle she was in rolled along Highway 1 Friday night.
The RCMP said it happened just after 10 p.m. east of Morse.
Mounties said the woman was pronounced dead at the scene.
Three other occupants of the vehicle were rushed to Cypress Regional Hospital by Swift Current paramedics, another was transported to a Regina hospital by STARS Air Ambulance.
An RCMP collision reconstructionist and the chief coroner continue to investigate the crash.