Concerns are mounting for the wellbeing of a man with dementia who was has been missing overnight after getting lost while out walking.

Alistair Lovie was reported missing from the Inverarish area of the Isle of Raasay on Sunday afternoon.

The 72-year-old was last seen walking near a disused mine area north of Inverarish about 11am.

Despite extensive searches involving Police Scotland, HM Coastguard helicopter and ground resources, the Search and Rescue Dogs Association, Skye Mountain Rescue Team, Scottish Fire and Rescue and RNLI, Mr Lovie remains missing.

Inspector Bruce Crawford said: "As times passes we grow increasingly concerned for Alistair and we know this is a feeling shared in the local community on Raasay.

"Alistair has dementia and it is considered possible that he may have become confused while out walking.

"He was last seen close to a disused mine north of Inverarish but he is physically fit and walks regularly so I would urge people on Raasay to be aware and to report anything at all which may be able to help with tracing him.

"I would also urge anyone with a shed or outhouse on their property where Alistair could potentially sought shelter to thoroughly check these and let us know of anything which seems out of place.

"We would urge anyone on the roads of Raasay to be vigilant and to review any dashcam footage you may have.

"I would also like to extend our thanks to the local community and the Red Cross for their support provided to everyone involved in the search."

Alistair is described as 5ft 10in tall, of medium build with brown hair and blue eyes.

When last seen he was wearing a black jacket, jeans, a black cap, a blue shirt and a red jumper.

Anyone with any information is asked to get in touch with police on 101.