Three children have lost their parents after a crash on Christmas Day in Western Australia.

Cindy Braddock, 25, and Jack Day, 28, left Northam to travel to Bruce Rock with their three children at 1am on Sunday.

They were reported missing after they failed to arrive at their destination.

READ MORE: Almost 350 rescued from NSW beaches in single day as hot weather turned tragic in Victoria

Police revealed this evening that the children had been found alive with non-life-threatening injuries.

Both of their parents had been killed.

Police said the children spent close to two days alone near the car before they were found by a family member.

The car was discovered just before midday local time outside of Kondinin.

More to come