Argentinian president-elect Mauricio Macri. He told his supporters that “change cannot be held up by revenge or score-settling”. Photograph: David Fernandez/EPA

In a historic political shift, Argentina has elected a right-wing politician as president for the first time in its history. Mauricio Macri defeated p(...)

Brazil’s president Dilma Rousseff: said she would “cut her own flesh” to root out corruption. Photograph: Ueslei Marcelino/Reuters

A Brazilian government shake-up designed to head off efforts to impeach president Dilma Rousseff has been overshadowed by a supreme court ruling that (...)

Cristina Kirchner’s backing of Daniel Scioli only followed her failure to find a candidate among her own inner circle. Photograph: Reuters/Enrique Marcarian

If there was ever a question about what the investment community thinks of Argentina’s president Cristina Kirchner, recent market activity is clearing(...)

Brazil’s president Dilma Rousseff stands in a vehicle during a civic-military parade in Brasilia to commemorate Brazil’s Independence Day on Monday.  Photograph: Ueslei Marcelino/Reuters

The depths of the institutional and ethical crisis facing Brazil have been laid bare by a new survey of the country’s congress, which reveals more tha(...)

Eduardo Cunha, president of Brazil’s lower house of parliament, who has been accused of accepting a $5 million  bribe in return for helping a company win contracts to supply  oil giant Petrobras with drill ships. Photograph: Miguel Schincariol/AFP/Getty Images

Brazil’s political crisis has entered a new and more volatile phase with last week’s decision by federal prosecutors to formally charge the powerful p(...)

Gold medal winner in restaurant service  Alina Sile with  mentor Ray Cullen from Waterford Institute of Technology

A group of Ireland’s top young apprentices gave up their summers to train for the WorldSkills Competition in Sao Paulo, Brazil, last week, and it paid(...)

Dilma Rousseff: The president’s  Workers’ Party administration is now engulfed in a huge corruption scandal and struggling to navigate the country’s worst recession in two decades.   Photograph: Jonathan Ernst/Bloomberg

Standing on a corner of São Paulo’s main avenue, holding a banner demanding “Impeachment Already”, Michele Pick and Maria Necela Sampaio were clear ab(...)

Demonstrators hold signs during a protest in Sao Paulo, Brazil, during a protest in Sao Paulo, Brazil, on Sunday. Nationwide street protests against Brazilian president Dilma Rousseff are keeping pressure on the government. Photograph: Patricia Monteiro/Bloomberg 1:27

Hundreds of thousands of demonstrators returned to the streets in dozens of Brazilian cities on Sunday to call for the impeachment of president Dilma(...)

President Dilma Rousseff:  Hundreds of thousands are expected to take to the streets on Sunday  to demand her impeachment. Photograph: Evaristo Sa/AFP/Getty Images

Hundreds of thousands of Brazilians are expected to take to the streets on Sunday in the latest round of the campaign to force President Dilma Rous(...)

People mark the 70th anniversary of the US attack at the Atomic Bomb Dome at the Hiroshima Peace Memorial Park, Japan. Photograph: Getty Images 1:54

Seventy years on and more than 10,000 miles away, a group of atomic bomb survivors from Hiroshima and Nagasaki are campaigning for a nuclear-free worl(...)