UPDATE: The boy has now been found.

POLICE are concerned for the welfare of a 12-year-old who has been reported as missing.

The boy was last seen leaving his home address in the Harnham area on October 11 between 12.15pm and 12.30pm.

He is thought to be wearing an olive green coat, olive green zip up hoodie and grey Nike trainers.

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A police spokesperson said: "If you see him, or know of his whereabouts, please contact us on 999 quoting reference 54240120247".