Gavin McIntyre was last seen in the Morningside area at around 9am yesterday morning.
He is described as white, 6ft tall with a slim build, clean-shaven, with messy brown hair. He was last seen wearing a black and dark green jacket, a red and white shirt, and beige trousers.
It is believed Gavin may have travelled to the South of England, having connections to the London area. He has access to a boat, named ‘Sheer Madness’, and may be residing near a waterway.
Inspector Stephen Rosie said: “Gavin is vulnerable due to current health issues and requires regular medication, which he will now not have access to.
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“We are growing increasingly concerned for his welfare and anyone who may have seen him since 9am on Wednesday, or has information which can help with our enquiries, is urged to get in touch as soon as possible.”
Anyone with information is asked to contact Police Scotland as soon as possible on 101.