Customers couldn't add any items to their baskets or change orders after Tesco's website "crashed".
Tesco shoppers started reporting issues with their website at around 5.30pm on Monday, August 15 saying it had "crashed". The issue saw thousands of people unable to shop online or amend their baskets for almost four hours.
In a response to customers on Twitter, the supermarket giant said they were experiencing "some technical issues" with their website and internal systems. They added their IT team were "aware and working hard to get this resolved as a priority".