There is growing concern for a homeless man from Stevenage who has now been missing for a week.
Alexander Watterson was last seen in Lytton Way on Friday, August 21.
The 65-year-old is white, described as having neck length wiry hair and is thinner than in the picture shown.
Officers are concerned for his welfare and would appeal to anyone who may have seen Alexander to please contact them on the Herts police non-emergency number 101.
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