The banking giant said it was 'working hard' to restore services which have also hit Royal Bank of Scotland.

NatWest online banking hit by major outage, locking out scores of customers

Customers have been left unable to pay bills.

NatWest, Ulster Bank and RBS online accounts go down

Royal Bank of Scotland is to close 62 RBS branches and 197 NatWest outlets will by mid 2018.

People reported that their cash 'disappeared into thin air' as one described it as an 'absolute disaster'. 

Hundreds of jobs are under threat as 30 RBS and 128 NatWest branches are set to close due to a "dramatic shift" in the way customers bank.

Lawyers for more than a dozen British residents with ties to Iran accuse RBS and Natwest of racism.