Police have released a CCTV image of Andrew Lambert who went missing on Saturday in Monmouth.
The CCTV image was taken from Abergavenny on Friday and it is believed that he could be wearing the same clothing.
He is described as being 6 feet tall, of medium build with brown short hair and is clean shaven.
Officers have received information of possible sightings of the 28-year-old in Chepstow and St Briavels.
Andrew also has links to Bristol.


Anyone with information is urged to contact Police on 101.
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