Tayside Police has released a CCTV image of a confirmed sighting of missing man Martyn Cruickshank.
A huge police effort is ongoing to find the 42-year-old, who is missing in the Crieff area.
A police statement said: “A member of the public has provided us with CCTV footage, which has been confirmed as showing Martyn walking southwards in Macrosty Gardens, Crieff, at about 8am on Tuesday, October 16.
“This has confirmed that Martyn was last seen wearing a red Helly Hansen ski jacket, a dark hooded top, and blue jeans.
“We are still conducting an extensive search of the area, and a number of dedicated officers, specialist search units, mountain rescue, search dogs, and air support are systematically searching the area looking for him.
“We would also like to again thank the numerous members of the public who are assisting us in doing so, and are participating in an organised search.
“Again, we would like to ask anyone in the Crieff, Comrie and adjoining rural areas who has a shed, garage or outbuilding to check it in case Martyn has sought refuge within.
“Also, if anyone in these areas has private CCTV, please check this, or let us know you have it.
“If anyone has seen Martyn since Monday, or has information that could assist us in tracing him, please call 101 or speak to any police officer. Our reference is incident 3021 of 16th October.”