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Detectives investigating an attempted robbery at a post office have released a CCTV image of a man holding a kitchen knife.
The hooded man waited behind two other customers before threatening staff at Thaxted post office in the village’s High Street, police said – but he fled empty-handed soon afterwards.
Other customers were not aware the man had pulled his top half over his face and that he was holding the long-bladed knife at his side, but a spokesman for the Essex force said the weapon was clearly visible in the CCTV footage.
Investigating officers are now hoping that someone could name the man or saw him either hanging around beforehand or running away from the post office.
The incident happened at about 1pm on Wednesday, May 21.
Det Sgt Becky Young of Braintree CID said: “We have carried out extensive enquiries but we have not been able to establish the identify of this man.
“He was clearly quite calm enough to queue behind other customers but luckily he appears to have lost his nerve when he tried to threaten staff.
“There is no doubt that he is a dangerous person who is prepared to carry a long-bladed kitchen knife for use in a robbery and we want to catch him before he can attempt this sort of crime again.”
Anyone who can identify the man or remembers seeing him on the day should call Braintree CID on 101 or contact Crimestoppers, anonymously, on 0800 555111.