
United States billionaire Ken Griffen, paid $500 million for two paintings by abstract expressionist masters in one of the largest private art deals ever. Griffin, founder of Chicago-based hedge fund firm Citadel, bought works by Jackson Pollack and Willem de Kooning from David Geffen's foundation.

The public dispute in the United States between the Justice Department and Apple continued Monday as the tech giant called on the government to withdraw its demand for help in unlocking a phone used by one of the shooters in December’s terrorist attacks in San Bernardino, Calif., and instead let a commission of experts discuss the issue.

The pound hit its lowest level against the dollar in almost seven years on concerns about a possible UK exit from the European Union. At one stage the pound was down as much as 2.4% at $1.4058, its lowest level since March 2009, before later recovering.

President Dilma Rousseff's main coalition partner, the fractious Brazilian Democratic Movement Party (PDMB), re-elected a key ally of hers as its leader in the lower house of Congress last week, enhancing her chances of blocking impeachment.

Argentine President Mauricio Macri spoke with The Washington Post’sOn support for Lilian Tintori, Venezuela always cared for our human rights. So I am doing exactly what they have done in the past for us.in his office in the Casa Rosada, Argentina’s White House, about the economy, Venezuela and alleged Iranian terrorists in Buenos Aires. Edited excerpts follow.

The administration of president Mauricio Macri is optimistic that Congress will lift the Padlock Law (Ley Cerrojo) clearing the way for Argentina’s long-standing dispute against so called speculative funds to be settled, Cabinet Chief Marcos Peña said.

The Argentine chapter of Amnesty International (AI) joined the human rights groups that have criticized the new guidelines unveiled by President Mauricio Macri's Security Ministry to handle protests, saying that it was unconstitutional as it restricts key rights, including freedom of the press by limiting the role of journalists.

Unemployment in Brazil was 9% during the September-November rolling quarter, unchanged from the August-October period, the Brazilian Institute for Geography and Statistics reported.

British Prime Minister David Cameron will face MPs later as he presents his case for the UK remaining within a reformed European Union. The PM will outline details of last week's deal with EU leaders, which paved the way for him to call a referendum on EU membership on 23 June.

President Evo Morales of Bolivia has narrowly lost a referendum to allow him to stand for a fourth term in office, exit polls suggest. One poll suggests 52.3% voted against the proposal to amend the constitution, while another suggests it was 51%. However, Morales's deputy has predicted Bolivia's first head of state of indigenous origin could still win, as official results trickle in.