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
Former England cricket captain Rachael Heyhoe-Flint has died at the age of 77, the MCC has announced.
Scientists have officially declared 2016 as the hottest year since records began.
No-one has been more insulted by president-elect Trump than the Mexicans. And nowhere fears it has more to lose.