Northern Territory Police hold concerns for missing 57-year-old Michael Denon-Ross (pictured).
Senior Sergeant Alex Brennan said Michael, who is on holidays from the UK, was last seen at his hotel in Alice Springs on 8 July.
He has not been seen or heard from since.
Alexis is described as Caucasian, with very short dark hair, brown eyes, medium build.
“We ask anyone who sights Michael or who has any information to contact police on 131 444,” says Sgt Brennan.
UPDATE July 22
Detective Acting Sergeant Janice Kershaw said that Michael hired a car on 10 July in Alice Springs.
“Michael hired a black Renault Koleous Wagon (pictured below) with the number plates VIC 1HU8GM and was last sighted fuelling this vehicle in Yulara on Wednesday 12 July,” she said.
“The car was due to be returned on July 18.
“Michael is from the UK and is on holidays in Australia.
“He has not been seen or heard from since.”
Michael is described as Caucasian, with very short dark hair, brown eyes, medium build and wears reading glasses.
UPDATE July 22 @ 1:30pm: The car hire company has notified police that Mr Denon-Ross is safe and well.