Mossack Fonseca’s office in Panana. The firm has branches in Hong Kong, Miami, Zurich and more than 35 other places around the globe . The firm is one of the world’s top creators of shell companies, corporate structures that can be used to hide ownership of assets.

A massive leak of documents exposes the offshore holdings of 12 current and former world leaders and reveals how associates of Russian President Vlad(...)

Demonstrators protest against the appointment of the former President Luiz Inacio Lula da Silva as Chief of Staff, at the Paulista Avenue in Sao Paulo, Brazil on Wednesday night. Photograph: Ricardo Nogueira/EPA

Angry protests erupted in Brazilian cities on Wednesday night following the emergence of a taped phone conversation between President Dilma Rousseff (...)

A file photograph  of then Brazilian president Luiz Inacio Lula da Silva posing with his hands full of oil on October 28th, 2010, as he takes part in a Petrobras publicity event. Photograph: Marcelo Sayao/EPA

Brazil’s former president Luiz Inacio Lula da Silva was briefly detained for questioning on Friday in a federal investigation of a vast corruption sc(...)

Former Argentine president Cristina Kirchner: Due in court over sale of dollar future contracts. Photograph: Eitan Abramovich AFP/Getty Images

These are difficult days for South American presidents, with both serving and former members of this select group snarled up in a series of corruption(...)

Tensions rose last year when an Israeli foreign ministry spokesman called Brazil a ’diplomatic dwarf’ after Brasilia recalled its ambassador from Israel to protest the  military offensive in Gaza in July 2014. File photograph:  AP Photo/Hatem Moussa

Brazil’s reluctance to accept an Israeli ambassador who is a West Bank settler has set off a diplomatic crisis and led to a standoff with the Israeli (...)

Petroleo Brasileiro SA (Petrobras): the state-controlled oil producer was at the centre of a corruption investigation. Photograph: Dado Galdieri/Bloomberg

Petrobras chairman Murilo Ferreira is taking a leave of absence less than five months after he was appointed to help the Brazilian government-con(...)

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

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

Brazilian president Dilma Rousseff: has vowed a “tooth and nail” defence of her mandate, accusing her opponents of “coup mongering”. But popular support for her has drained away. Photograph: Ivan Sekretarev/EPA/Pool

Nobody should mistake the recent calm of the Brazilian streets since anti-government agitation petered out for evidence that Dilma Rousseff has seen o(...)

It was one of the remarkable features of Brazil’s road to “socialism” under the once-revolutionary Workers’ Party (PT) that it mitigated the class ten(...)

Dilma Rousseff celebrates victory with her mentor Lula da Silva, who campaigned tirelessly for her election. Photograph: AP Photo/Eraldo Peres

After her narrow victory in Sunday’s election, Brazil’s President Dilma Rousseff has targeted political reform as a top priority during her second t(...)