More disgruntled customers have been tweeting about an apparent disruption to card payments and online banking at NatWest.
Natwest whole system is down! No ATM's, no online banking and cards WILL be declined. Just found that out the hard way. Pls RT
No food in the house so I go to get money out, no cashpoint works. Go online to use Just Eat, no service works. Thanks a bunch @natwest
More top news
The operation to recover the unexploded bomb near the Houses of Parliament let to disruption in central London overnight.
Southern parts of England and Wales will see sunny skies after a frosty start.
Police said the incident in Melbourne, Australia, was terror related.