People are being warned about a scam from fraudsters pretending to be police officers.
Cheshire Police has said they have received a number of reports of phone calls from people "spoofing" a phone number connected to police.
People are being threatened with arrest unless they hand over personal details, including national insurance number and bank account details.
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A spokesperson from Cheshire Police said: "Residents are being warned following a resurgence in scam phone calls purporting to be from the police.
"We have received reports that fraudsters have been spoofing a phone number associated with Cheshire Constabulary in an attempt to urge victims to hand over personal details or otherwise face arrest.
"In some cases, victims are being told if they do not cooperate they will be arrested, as their national insurance number and bank account have been used to purchase drugs or involved in illegal activity."
Cheshire Police, have issued some general advice to people to avoid falling victim to the scam.
This includes:
Cheshire police constable Paula Mathews also urged residents to report any such calls as the force vows to track down offenders.
PC Paula Matthews said: “Sadly, landline and mobile numbers can easily be manipulated and used maliciously by these scammers to make criminal gains.
“We are doing all we can to track these offenders down but it is important to remember that fraudsters will come across as extremely convincing and will do anything to persuade victims to hand over the details they need.
“I would urge people to remember that no police force would call to ask for personal details such as your national insurance or bank account number.
“If you do receive a phone call such as this don’t provide any information, hang up the phone and report it immediately to Cheshire Constabulary via 101 or Action Fraud on 0300 123 2040.”
