Inspector Andy Angus said: “We are growing increasingly concerned for John and would urge anyone who believes they may have seen either him or his car to get in touch as soon as possible.“Anyone who may have seen John, or who has any information on his whereabouts, is urged to contact Police Scotland via 101 quoting incident number 0922 of 7 August.”Don't miss the top culture and heritage stories from around Scotland. Sign up to our twice weekly Scotland Now newsletter here.