William's granddaughter has made a public appeal for information.

Mr Scott was reported missing from his Chesser home at about 7pm last Tuesday. Subsequent police inquiries established he had visited the Foot of the Walk pub and then Greggs in the Newkirkgate at around 4pm, before heading to The Shore where he was seen on CCTV outside the Finn and Bear pub.

But police now believe he went to the King's Wark pub at The Shore, possibly until 8pm.

Officers are also appealing to any cyclists or motorists in this area with dash-cam footage to see if they captured William on their footage - and to contact police if so.

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William's granddaughter has made a public appeal for information.

William, also known as Billy or Scotty, is described as white, 5ft 1ins tall, balding with white hair to the back and sides and has a small wound to his head. He regularly wears glasses and was last seen wearing a navy jacket, grey trousers and a dark coloured flat cap.

Chief Inspector Jordana Emerson said: "Both myself and William's family are very heartened by the public support shown for William and our ongoing work to find him. Every share of the appeals on social media could reach someone new who may have seen William or might have information on his whereabouts.

"Please keep sharing and call 101 if you have any information or a possible sighting, as we continue to try to piece together his movements from last Tuesday evening onwards.

"I know that there are a lot of people who do not have information but who want to help look for William. I want to reassure everyone that we have specially trained officers and specialist resources carrying out searches, however people can still check gardens and outbuildings in the Leith area as he may have fallen or taken shelter there.

"I want to keep people thinking about whether they have seen or spoken to William - I believe other people will have seen him in the busy Shore area after leaving The King's Wark where we strongly believe he spent several hours. Please contact us as soon as possible if you have any information that might assist.

"I would also ask anyone who was driving or cycling around The Shore and may have any dash cam footage from a week ago to please check their devices to see if they may have captured William on camera and to contact police immediately if so."