Authorities say on Sunday evening in the RM of Bifrost, a vehicle rolled into the ditch, becoming submerged in water.

A person passing by on Highway 8 at Road 23 E, in the RM of Bifrost noticed a vehicle in the ditch, calling emergency crews about the crash.

Gimli RCMP, along with Riverton Fire Department responded to the call at 6:45 p.m. to find the vehicle on its hood, submerged in water.

When entering the ditch to rescue the passengers, a 28-year-old male driver, and the passenger a 30-year-old female, both from Morden, Manitoba, were pronounced dead on the scene.

Both were wearing seatbelts.

RCMP says they believe the vehicle lost control while travelling westbound on Highway 8, entered the ditched, and rolling into the water.

Gimli RCMP, the RCMP Criminal Collision Investigation Team and a Forensic Collision Reconstructionist are investigating.