UPDATE: She has been located safe and well.
Concerns are held for the welfare of 35-year-old Sue-Ellen Lax who was last seen on Sunday.
She was last seen in Camillo and is believed to have travelled towards Bunbury in the company of her two young children.
Ms Lax is believed to be driving a red Holden Adventra registration number 1DFG083.
She is 163cms tall, slim build, with blonde hair and blue eyes.
Anyone who sees Ms Lax or has any information regarding her whereabouts is asked to call Police immediately on 131 444.
Mandurah woman completes grueling English Channel swim
Man and child seriously injured in South West crash
Motorists warned to expect delays during Kwinana Freeway upgrades
Driver injured in Serpentine crash
Man and woman wanted for questioning over Lakelands car theft
Mission Australia celebrates 25 years of supporting young people through Mandurah Reconnect program
'Mad Eagles fan' wins $6 million Lotto prize
Mandurah woman loses everything in house fire
Gift card scams surge past $1 million prompting urgent warning from Consumer Protection