Derbyshire Constabulary are appealing for help to find David, who is missing from Glossop.
The 52-year-old was last seen at around 7pm on Thursday 12 June.
He is described as being white and of a stocky build with a bald head and stubble.
David was last seen wearing a a black and red retro Manchester City T-shirt and jogging bottoms.
Anyone who has seen him, or has any information on his whereabouts, is asked to contact police using any of the methods below quoting reference 1476 of 12 June:
• Website: https://www.derbyshire.police.uk/
• Facebook: Send a message to the Derbyshire Constabulary
• Phone: Call on 101
You can also anonymously contact the independent charity CrimeStoppers on 0800 555 111, or by visiting the CrimeStoppers website.
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