An elderly man has been missing on an island north of Brisbane for six days.
Police say 73-year-old Michael Newbon was last seen walking along the Heathland Street fire break heading towards Banksia Beach on Wednesday morning.
Mr Newbon, who suffers from a medical condition, has not been seen since.
Emergency services have conducted land and air searches, but failed to find any trace of him.
Residents are being asked to continue to check their yards, garages and sheds in the case Mr Newbon is sheltering there.
He's described being 180cm with a slim build and short grey hair.Mr Newbon was wearing a navy polo shirt, long navy trousers and black dress shoes when he disappeared.