Douglas MacGregor Missing, 64-year-old man missing from Caithness area.
Concern is growing for the welfare of Douglas MacGregor, who was reported missing from the Caithness area.
He was last seen leaving his home address in the Castletown area of Wick at around midday on Wednesday.
Police now believe he may be in Shetland.
He is reported to be driving a silver Honda Civic with the registration OW56 EVC.