“We’re working hard to be back online as soon as possible,” it stated.
However, the merchant verified to News that services were returned by 6 p.m. on Saturday.
Previously, all of the menus and photos had vanished except for one with a model in a green jacket.
Customers attempting to use the app received the message: “Sorry, you cannot shop using the app right now. We are busy doing some scheduled modifications, but we will be back shortly.”
The website was said to have been unavailable for several hours.
M&S claimed it was down since “early afternoon”, adding: “A third party service provider experienced a technical issue which temporarily affected access to our website and app.”
