Police searching for missing man Michael Denon-Ross are focusing their efforts on the Lydney and Chepstow areas as concern grows for his welfare.
The 59-year-old was last seen in the Gloucester area on Thursday evening.
He caught a train and it is believed he got off at Lydney or Chepstow.
Michael has a serious mental illness and no medication and it is known he may head for secluded areas or ditches.
Police are very concerned that Michael may come to harm and are asking people in the Lydney, Chepstow and wider area to be on the lookout for him, particularly dog walkers who may pass through more rural locations.
Anyone who has seen him or knows of his whereabouts is asked to call 999 or 101 quoting incident 478 of 31 October.
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