Asda shoppers have complained that glitches in the retailer's new loyalty scheme have resulted in cash disappearing from their app and in some cases appearing to be spent miles from their homes.
Martin Lewis 's Money Saving Expert website has been keeping an eye on social media platforms and has spotted dozens of complaints about Asda Rewards Scheme, although the supermarket giant has denied there is a widespread issue.
Problems which have been reported on Facebook and Twitter include:
