In a long-running legal battle, the Shchukin Gallery seeks the return of five paintings worth $63m that the gallery says were taken by a Russian financier

West London storage centre will be empty by late 2022 following move to state-of-the-art collection centre in Olympic Park

Museum officials say that the 1910 image by Russian artist Natalia Goncharova, on show at Tate Modern, was initially censored by the social media giant