Police are appealling for information after three men, posing as officers, robbed an elderly lady in her own home in Peterborough.
The trio knocked on the rear door of the property in St Paul s Road, at around 8.20pm on Saturday.
The victim, a 78-year-old lady, unlocked the door and the men burst in wearing gloves and balaclavas.
They ordered the lady to sit in the living room while they searched cupboards and drawers.
The men made off via the back door with a purse containing cash, jewellery and keys.
Detective Constable Kevin Poole told Connect FM: “This was a particularly frightening incident for the elderly victim.
“It is unlikely that police officers or those from reputable companies would knock at the back door of a property. Please be vigilant, ask for identification and if you are still unsure call the police.”
Anyone with information should call police on 101 or Crimestoppers, anonymously, on 0800 555111.