Police are urgently searching for a 27-year-old and his two children.
The public is being asked to keep an eye out for 27-year-old Justin Rodger and his two children, a 2-year-old girl and a 4-year-old boy.
The trio were last seen leaving a holiday park in Port Denison at about 10:40pm on Wednesday night.
They were seen driving in a dark green Commodore Sedan, registration unknown.
Mr Rodger is described as fair skinned, 179cm tall, with a medium build, black hair and green eyes.
Concerns are held for their welfare and anyone who sees Mr Rodger, or the two children, or has information regarding their whereabouts is asked to call Police immediately on 131 444.
Wanted woman known to frequent Mandurah, Rockingham, West Pinjarra areas
Waikiki Beach Hotel to go ahead after liquor licence approved
Man found critically injured outside Baldivis pub
Dawesville man charged with 38 child sex offences
Mandurah land owners reminded to prepare properties for upcoming fire season
Winning $2.5 million Lotto ticket sold in Bertram
Shark advice issued for White Hills Beach
Mayor reassures community after 13 trees removed from old King Carnival site
State Government invests $5 million to help restore Peel-Harvey Estuary