Tragedy on the Yellow Quill First Nation in eastern Saskatchewan.
Rose Valley RCMP say a vehicle with a woman, and four children inside rolled over and entered a body of water while going southbound on a road north of the First Nation.
It happened at approximately 9:00 A.M. Monday.
The 36-year old woman along with an eight-year old girl, and a nine-year old boy were declared dead at the scene.
A 10-year old boy and a four-year old girl were taken to Kelvington Hospital with injuries that are said to be unknown at this time.
It is not known at this time what caused the vehicle to leave the road.
An investigation is underway