Marks & Spencer's website and app is back online after an outage lasting several hours, with a message telling shoppers "you can't shop with us right now".
Marks and Spencer said that they are 'sorry' that customers are unable to shop online at the moment, citing how it was 'working hard to be back online'.
Boss Stuart Machin will update the City on the High Street retailer's full-year results on Wednesday. Analysts are forecasting overall sales of £12.9billion.