Customers are being left stranded at the tills due to a "service disruption" impacting Visa cards. Some businesses are currently unable to process payments made using Visa cards, impacting potentially millions of customers. "Visa is currently experiencing a service disruption. This incident is preventing some Visa transactions in Europe from being processed," a Visa spokesperson told Sky News. "We are investigating the cause and working as quickly as possible to resolve the situation," they added. 1 in every 3 spent in the UK is on a Visa card Around two hours after the fault came to light, some payments were reported to be working "intermittently".

The extent and cause of the problem has not yet been clarified by Visa, nor have they stated whether retailers will be compensated for lost earnings. Retailers including Marks & Spencer and Sainsbury's have confirmed they have been affected, with Sainsbury's commenting: "We are aware that Visa are currently experiencing problems. We are doing our best to help our customers and apologise for any inconvenience." The Visa disruption is not exhaustive, with Transport For London not reporting any problems from Visa contactless users on their services. Some retailers are resorting to putting up notices to warn customers that they are unable to take card payments.