Thames Valley Police has launched an urgent search for a 53-year-old man named Gordon, who is believed to be missing from Oxford.
The man was last seen on November 5 and may have travelled to London.
Officers are seeking information regarding Gordon’s current location.
Anyone who has information about where he may be is asked to contact Thames Valley Police as soon as possible and quote reference 43260579455 when making an enquiry.
The police appeal advises that anyone who sees Gordon and believes he is in immediate danger should call 999.
Thames Valley Police said the appeal was being issued in an effort to help bring him home safely.