Detectives are trying to piece together the final moments of a tourist whose body was discovered in a Perthshire lay-by.
The man was found inside a campervan parked at the side of the A85, near Crieff.
It is believe he may have lain for several days before he was found. Police Scotland said the death was being treated as “unexplained”.
Emergency services were called to the scene on Thursday evening after concern was raised by a member of the public.
The lay-by, about three miles out of town on the road to Comrie, was taped off and guarded by police throughout Friday. A blue tent was set up at the side of the white Peugeot motorhome, while forensic officers combed the area for clues.
Curtains around the Fire Storm-branded vehicle were kept closed.
Police said the body has still to be formally identified, but the family of a missing man from West Yorkshire had been informed.
A spokesman said: “We attended at a lay-by on the A85 near Comrie, following the discovery of a body of a man within a campervan vehicle on Thursday at 4.10pm.
“His death is being treated as unexplained, but there are no apparent suspicious circumstances.”
She said: “Formal identification has yet to be carried out, but the family of a 54-year-old missing man from West Yorkshire have been informed.
“A report will be submitted to the procurator fiscal in due course.”
Locals said the motorhome had been parked at the side of the road for at least two days.
One Crieff resident who commutes past the lay-by each day said: “There was a lot of police at the roadside when I drove by late on Thursday night
“There were a couple of police vehicles there with their blue lights flashing. I thought maybe there had been a crash.”
He said: “You often see campervans parked in this area. It’s a popular stop-over spot for tourists.
“My heart goes out to the poor man’s family.”
The rural location overlooks Loch Monzievaird and the Cairn Brae camp.
It is believed the man was reported missing by family in West Yorkshire after he set off for Scotland.
West Yorkshire Police said the inquiry was being led by officers in Scotland.