A file image of  Andre Esteves, chief executive of the Brazilian financial firm Banco BTG Pactual, who  has been arrested on  in connection to a sweeping corruption probe into Brazil’s multinational energy corporation Petrobras. Photograph: Jean Christophe-Bott/EPA.

An investigation into corruption at Petrobras, Brazil’s state-owned oil company, has resulted in the arrests of a sitting senator and a bill(...)

Supporters of the victorious presidential hopeful of the Cambiemos party, Mauricio Macri celebrate his win in downtown Buenos Aires on November 22, 2015. Photograph: Emiliano Lasalvia/AFP/Getty Images

Conservative opposition challenger Mauricio Macri won Argentina’s presidential election on Sunday, bringing to an end more than a decade of free-spen(...)

Policemen escort five Syrian men after they were detained at Toncontin international airport in Tegucigalpa, Honduras. Photograph: Stringer/Reuters

A group of five Syrians paid smugglers $10,000 (€9,340) each to travel through multiple countries before being detained for carrying false Greek docum(...)

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 (...)

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(...)

Brazil’s president Dilma Rousseff, who has been struggling with the country’s worst recession in decades. Photograph: Ueslei Marcelino/Reuters

Standard & Poor’s downgraded Brazil’s credit rating to junk on Wednesday in the latest blow to embattled president Dilma Rousseff as she struggles(...)

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(...)

An inflatable doll depicting former Brazilian president Luiz Inacio Lula da Silva in prison attire during a recent protest against Brazil’s President Dilma Rousseff in São Paulo. photograph: paulo whitaker/reuters

Brazil’s transformation from investment community darling to black sheep gathered pace this week as evidence mounted that the country’s political clas(...)

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(...)

The Petrobras bribery scandal that has dogged Brazil’s politics for some years shows no sign of flagging. Prosecutors are expected shortly to unveil n(...)