Fraudsters have been sending out fake Sainsbury's gift vouchers via e-mail which lead them to a dodgy website.

Action Fraud has issued a warning for people to be on the look-out after receiving 15 reports from members of the public.

The email claims that the intended victim was overcharged on a recent visit to the supermarket and offers the gift card as compensation. However when users click the link to get to the promised gift vouchers, they are led to website that could defraud them.

Reports to Action Fraud have said the emails look genuine by using the victim’s first name. They’re signed by Mia Chadwick of Customer Services.

Action Fraud have said that fraudulent emails that pose as a High Street name usually have poor quality spelling, grammar, graphic design or image quality. They may use odd ‘spe11lings’ or ‘cApiTals’ in the email subject to fool your spam filter.

In a twitter post they said: “If this email popped into your inbox this morning, you might want to avoid the temptation to click the link.

“It won’t get you any gift vouchers, it could lose you a lot of money!”