Britain's NatWest says, It was aware of issues on its online and mobile banking services

Britain's NatWest on Friday said in a tweet that it was aware of "some issues on its online and mobile banking services" and is working to fix them.

"Telephone banking and ATMs are available", NatWest added in the tweet https://bit.ly/2xE7uj5.

Several customers took to social media to complain about the outage.