Forrestfield Police are seeking information from the public to locate missing 26 year old Peter William GAITSKELL.
Mr GAITSKELL was last seen at a residence in Kalamunda at approximately 8:30pm on Sunday, 29 October 2017, WA Police say.
He is described as 184cm tall, medium build, light skinned, with blue eyes and brown hair. It is unknown what he was wearing. It is believed that he is on foot.
Concerns are held for his welfare and police are asking anyone that sees Mr GAITSKELL, to call police immediately on 131 444.