A search is ongoing for a missing prospector who was understood to be walking near a Mid West salt lake and was last seen on Saturday afternoon. Emergency services and local police are searching for 72-year-old man Brian Brady who was last seen at 3pm on Saturday. Police believe the man went for a walk while prospecting near Lake Austin, 45km north of Mount Magnet and are concerned for his welfare. Kalbarri and Meekatharra State Emergency Service crews were deployed to Cue on Sunday to assist with both air and land searches. The search continued 35km south of Cue around Lake Austin continued into Monday morning. Multiple resources including drones and TRG trackers were used. Mr Brady is described as having a medium build, short greying hair and a fair complexion wearing a light jacket and jeans. Anyone with information, who has seen Mr Brady or knows of his whereabouts is asked to contact the Police Assistance Centre on 131 444 and quote reference 381804.