UPDATE: Alexander has been located safe in bushland off Kingsbury Drive.
Police are asking for the public's help to find a 33-year-old man last seen in the Karnup area in the last 24 hours.
Alexander Doherty is described as 175cm tall, with a medium build and brown hair.
He was last seen wearing a white long-sleeved shirt, dark coloured track pants and a black hat.
Concerns are held for his welfare and anyone who sees Mr Doherty is asked to call police immediately on 131 444.
LISTEN: WA Police release triple-0 call from shooting murder of bikie boss Nick Martin at Kwinana Motorplex
Police pursuit comes to crashing end in East Rockingham
Tensions boil over in Rockingham council chambers as motion to reinstate weekly red bin collections is defeated
WA's first public National War & Service Animal Day commemoration to be held at Dawesville War Memorial
New road safety laws to be named in memory of Furnissdale hit-and-run victim
UK nuclear submarine docks at Rockingham's HMAS Stirling
Rockingham Police ask for public's help to find copper cable thieves
Woman dies in Bunbury motorcycle crash
International chef Diana Chan announced as Mandurah Crab Fest culinary ambassador