Greta Moll’s heirs argue painting was “misappropriated” in 1947

Boris Johnson says Smithsonian Institution still on board as capital’s planned cultural quarter on former Olympics site gets £45m in donations

Police say it is an offence to view the works seized from Graham Ovenden

Iraqi archaeologists to be trained in reconstruction of heritage sites under scheme funded by £3m government grant

Public collections have missed out on the chance to permanently acquire a work by Rembrandt after license application is withdrawn

The anonymous buyer of the Portrait of Catrina Hooghsaet has withdrawn their export licence application, derailing plans for a public collection to match the price

Arts Council England and the Scottish Council on Archives warn of increased theft danger

But a visit to Ai Weiwei Royal Academy show is not on the agenda

UK culture minister defers export licence for portrait of Catrina Hooghsaet

A Post-Impressionist perspective makes our world a more exciting place

Syrian antiquities head confirms destruction of ancient Roman archway

Half the museum's rooms have been closed since August

Newly elected left-wing leader of Labour Party promises increased funding for the arts and backs National Gallery strikers

Fundraising challenges and complexity of building design delayed completion by four years

Painting’s sale was forced but not by Nazis, report concludes

Case reopened after new information provided by Hungary

A €2m partnership with foundation of savings bank includes exhibitions on ancient Greece and Egypt

Archives reveal the Iron Lady’s decisive views on the portraits of Great Britons that she wanted for Downing Street

Finaldi and Rothschild take over as outsourcing deal for warding services triggers indefinite walkout

Egypt’s leading archaeologist Zahi Hawass throws cold water on the recent theory that a hidden door in the boy king’s tomb could lead to the queen’s long-lost burial chamber

In an unprecedented move, the department for culture has extended initial deferral deadline for Egyptian sculpture's export license

Exhibition at Yorkshire Sculpture Park and Hepworth Wakefield opens this weekend

Finest Assyrian relief from Nimrud among objects being valued for possible display in Abu Dhabi museum