Glitch forces RBS, NatWest, Ulster Bank to open Sunday

The group, which owns Royal Bank of Scotland, NatWest and the Bank of Ulster, apologised to its customers amid reports that they were unable to access their accounts or withdraw money. The crash comes just months after a computer meltdown that left millions of customers unable to withdraw cash, reports The Telegraph.

Millions of NatWest bank customers faced financial trouble this weekend after technical glitches left angry clients unable to pay bills, access their accounts, and even receive their wages.The upheaval extended beyond the bank's customers, with the Guardian website reporting that one couple who do not bank with NatWest were unable to move into their new home because of the glitch.Customers at Royal Bank of Scotland (RBS) and Ulster Bank were also affected. All three banks are part of the RBS Group.