CCTV images of two men have been released following an attempted armed robbery in Peterborough.
Two men walked into Mace in Huntly Grove at 7.20pm on September 29 brandishing a knife and demanded the member of staff hand over money.
However the shopkeeper has chased the pair out of the store and they fled.
Detective Constable Fran Scott said: “The shopkeeper showed great bravery in chasing the offenders off.
“I would urge anyone who has any information or recognises the men pictured on CCTV to call police.â€
Anyone with any information should call DC Scott on 101 or Crimestoppers, anonymously, on 0800 555111.