People are being urged to be wary of scammers purporting to be police officers contacting them.
There have been several reports telephone or house callers who claim to be crime prevention officers.
But police have said say they would never cold call anyone to offer crime advice and have urged people not to speak to anyone who cannot provide official police ID.
One neighbour called police after receiving such a call on Friday, February 28.
If you receive a telephone call like this, call police on 101 immediately. If ,someone calls at your door offering crime prevention advice, do not let them in, shut the door and call police on 999. For crime prevention advice call police on 101 or visit metpolice.uk/sutton.
- UPDATE: Lorry spillage causes TWO crashes on A23 Purley Way
- Motorcyclist suffers leg injuries in Sutton Common crash
- POLL: Ahead of Article 50 triggering Brexit, how would you vote if EU referendum was held NOW?
- NEW POUND COIN: Send your photos of 12-sided £1 and guess what 'secret' security feature is
- Prisoner rehabilitation charity wins social enterprise award