Alex Neill, Which? managing director of home products and services, said:
Clearly this issue will be a huge inconvenience to customers and it must be resolved urgently. Visa and the banks need to ensure no-one is left out of pocket due to this outage.
We strongly advise people to keep any...
Visa outage: payment chaos after card network crashes
The extent of the disruption is not yet clear but customers in the UK and Europe have been complaining that payments have been denied.
Barclays and Bank of Ireland advised customers to use ATMs to withdraw cash, which appear to still be...