The Premier is urging all West Australians to come home now, before the border is closed on Sunday night.

Residents currently stuck in mandatory isolation in the eastern states will be allowed to return to WA but will need to spend a further 14 days in isolation here.

Due to Constitutional law surrounding border closures, West Australians need to be treated the same as eastern staters.

Mark McGowan told Oliver Peterson this means some WA residents will be rejected if they try to come back after the border is closed.

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