Customers using the Natwest and RBS banking apps reported issues with mobile banking apps this morning.

Reports first began to appear on Down Detector, a service for reporting website outages, for RBS at 6.57am while the Natwest outage began at 6.53am.

Across both mobile banking apps, 56-57 per cent of users were unable to access their mobile banking.

Natwest looking into user reports

Natwest said it was "not aware of any ongoing issues" with the mobile banking app.

Responding to a customer on social media, Natwest said: "We are not aware of any ongoing issues with our mobile app, however thank you for bringing this to our attention we will take a look into this."

Users took to Twitter to voice their issues.

The outage affected customers across the country - though mobile apps and online banking now appear to be working.

Royal Bank of Scotland working to resolve issue

Yeovil Express: Photo of an RBS branch, PA.Photo of an RBS branch, PA.

RBS responded to some customers on social media, describing "an issue with the mobile app and online banking".

A spokesperson for RBS tweeted: "We are aware of an issue with the the mobile app and online banking and the team are working hard to get this resolved."