Thames Valley Police is appealing for help in tracing a missing person from Old Windsor.
Christopher, 41, was last seen at the BP garage on Straight Road, Old Windsor, on Thursday at approximately 9:45 p.m., as shown in the CCTV images.
The force said he is white, around 5ft 8ins tall, of thin build, with a dark beard, and was last wearing a red and black jacket, dark trousers, dark blue shoes, a patterned woollen hat, and a black vest, which is thought to be a buoyancy aid.
Christopher has links to Wraysbury in Surrey, but also other areas of Surrey.
Thames Valley Police are 'concerned for his welfare' and said if you see him, call 999 quoting reference 43260026950.
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