After two extensive searches failed to find him, a third attempt will be launched to locate little Gus, who went missing on a remote South Australian sheep station a month ago.

SA Police will return to Oak Park Station in the state’s mid-north on Friday to resume a search for missing four-year-old Gus Lamont.
Police will drain a large dam about 600m from the homestead, which sits about 40km south of Yunta.
The 4.5m-deep dam was already searched by divers in the first days of the frantic search after Gus was reported missing on September 27.
But today, SA Police said authorities would return and drain the dam to rule out the possibility Gus had drowned.
August, affectionately known as Gus, was last seen playing outside the family’s homestead on Saturday, September 27 at approximately 5 pm.
Two previous search operations – which involved hundreds of people, including police officers, army personnel, trackers and local property owners – failed to turn up any evidence of the four-year-old.
The most recent ground search extended to 5.5km from the homestead, equal to about 95sqkm searched on foot, police said.
This was in addition to the original search area, which with the use of the mounted operations unit and PolAir had been estimated at 470sqkm.
“Police had been hopeful the extensive ground searches would locate Gus or provide evidence of the direction in which Gus may have walked, but this has not been the case,” police said in their statement.
“Task Force Horizon is conducting multiple lines of inquiry to locate Gus. These investigations have not uncovered any evidence of foul play.”