“Concerns for his safety due to his current mental state. If you have any info or sightings please contact us on 02086490145 or 101 and quote 18MIS019248. Thank you.”
Officers have published a photo of Barrie in the hope it will help members of the public identify him if they see him.
It has not been said where abouta in the borough Barrie could be, or what he may be wearing.
Anyone who sees Barrie is asked to contact police by phoning 02086490145 or 101, quoting reference number 18MIS019248.