Police urgently searching for missing WA siblings

Bunbury police have issued an urgent call to the public to help find a missing boy and girl who have not been seen since Saturday night.

The boy, 10-year-old Liam and his sister, 13-year-old Rella, were last seen leaving their home in Carey Park at 8pm on Saturday.

They have not been seen by their family since and police are concerned for their welfare.

Anyone who sees them or has any information on their whereabouts should contact police immediately on 131 444.