Plus, the Met: a guard’s memoir and Hubert Robert at Stockholm's Nationalmuseum

Work is a “warning and reminder” that world will see more humanitarian crises

Government waives charges after funding five-year, £100m refurbishment

Pop artist's fist institutional exhibition revisited 50 years on at Stockholm’s Moderna Museet

The seller says that the painting, titled A Young Girl in Furs, was authenticated by the Stockholm art valuation firm Atelje Catellani

New exhibition and project space put spotlight on civic activism and emerging voices