Sam Woodhead will be taken to Longreach Base Hospital for a medical assessment, Queensland Police said.
The teenager's sister wrote on Facebook: "We have been told that they have found Sam!! We have no information on his condition or where he was found yet, so keep your fingers crossed."
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John Inge, the Bishop of Worcester, says the death of his wife from cancer at the age of 51 has set him in opposition to the legislation.
A cool weekend ahead but looking dry for many with sunny spells.