Christies

Hockney painting sells for record-breaking £70 million in New York

The previous record for a living artist was American Jeff Koons's Balloon Dog sculptures, which went for £45.6 million in 2013.

French woman faced with selling Nazi-stolen Renoir looted from her grandfather

Sylvie Sulitzer recovered her grandfather's painting with the help of the FBI but may have to sell the artwork to repay compensation.

Leonardo painting smashes record fee for artwork

Salvator Mundi, Italian for Savior of the World, fetched $450 million (£341 million) when it went under the hammer.