Specially-trained police officers have been drafted in to join the search for an elderly Tayside man who has been missing since the weekend.
Malcolm McGraw was reported missing from his home address in the Pitlochry area about 11 pm on Friday.
The 74-year-old was last seen at the time and was believed to be on foot.
Police have confirmed that no other sightings have been reported to them since then.
Malcolm is described as white, about 5ft 7in tall of slim build with grey hair which is slightly balding.
When last seen Malcolm was wearing a maroon coloured v neck sweater with maroon checked shirt/collar insert and trousers. He may also be wearing a lightweight jerkin-style green jacket.
A spokesman for Police Scotland said: “Malcolm is a keen walker and is known to walk the surrounding areas of Pitlochry.
“We have trained officers conducting extensive searches in the area, including his usual walking routes. We also have Police dogs in the area assisting with the search..
“We would like to ask anyone who has any information which could assist us in our search for Malcolm, in particular if you believe you may have seen him, to call us on 101 or speak to any police officer. Our reference is incident 1069 of August 11.”