Enquiries are ongoing to trace Zdzislaw Palucki who remains missing in the Inverness area.
The 61-year-old was last seen during around 4pm on Wednesday, May 29 in the Inverarnie area near Farr south of the city.
He was last seen in the area of Dalvourn campsite at Inverarnie in his white Ford Transit van, registration SA61 WHC.
Officers will be speaking to motorists in the area between 3.30pm and 4.30pm this afternoon as part of efforts to identify his subsequent movements.
Inspector Mark Czerniakiewicz said: "It is now two days since Mr Palucki was last seen and we have reason to be concerned for his welfare.
"We continue to carry out extensive enquiries to locate him and would urge anyone with information which could help to come forward.
"We want to speak to anyone who may have seen either Mr Palucki or his Ford Transit van at any time since Wednesday afternoon. If you believe you can help then please contact us as soon as possible.
"I would ask local residents to check any outbuildings, sheds or anywhere a person may have sought shelter thoroughly, while anyone who has been on the roads around Inverarnie is asked to review any dashcam footage you may have.
"If Mr Palucki himself see this then please get in touch - you are not in any trouble, we just want to make sure you are safe."
Zdzislaw Palucki is described as being 5ft 10in tall and of medium build with short black hair and a short beard.
When last seen he was wearing a red checked shirt and light grey trousers.
Anyone with information is asked to call Police Scotland on 101, quoting reference 3224 of May 29.