With womenswear hit by high levels of promotions and the wet weather hitting sales of casual tops, non-food boss Kate Bostock will step down as the firm parachutes in former Debenhams chief Belinda Earl as style director to hone its range.
Despite high profile adverts featuring celebrities such as Gary Barlow, overall UK like-for-like sales fell 2.8% - also the worst performance for M&S for more than three years - even though food sales rose 0.6%.
More top news
Here's everything you need to know about the Libyan crisis and the announcement of a new national unity government.
Russia will pay the price for launching air strikes to prop up the Assad regime, the US defence secretary has warned.
'Vote Leave' - a cross-party campaign calling for Britain to leave the European Union in the forthcoming referendum - has been launched.