Greece steps up campaign for Elgin Marbles return with attack on 'murky' British Museum

The Greek president has escalated a campaign for the return of the Elgin Marbles, attacking their home in the British Museum as a "murky prison".Speaking in Athens, Prokopis Pavlopoulos challenged British officials to "come here and make the comparison" with the city's Acropolis Museum, where he suggested the artefacts could alternatively be displayed.Mr Pavlopoulos added the marbles, which are named after Lord Elgin, the 19th century British ambassador to the Ottoman Empire, were being held as