Links between Ireland and other nations will be celebrated during the  international Easter Rising commemoration programme. Photograph: The Irish Times

A three-month programme celebrating links between Argentina and Ireland, along with an exhibition and seminar on Roger Casement in Brazil, have been a(...)

Former West Bank settler leader Dani Dayan.

Israel is threatening to downgrade its diplomatic relations with Brazil in protest over Brasilia’s refusal to accept former West Bank settler leader D(...)

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 (...)

Brazil’s president Dilma Rousseff (right) and vice-president Michel Temer listen to Brazil’s national anthem: but all is not harmonious between them. Photograph:  Ueslei Marcelino/Reuters

During her first term, Brazilian president Dilma Rousseff had a discreet number two in Michel Temer. Behind closed doors her 75-year old vice-presid(...)

Argentina’s president-elect Mauricio Macri: wants a free trade deal between Mercosur and the Pacific Alliance trade bloc of Mexico, Peru, Chile and Colombia. Photograph: Enrique Marcarian/Reuters

Mauricio Macri’s swearing-in as Argentina’s first democratically elected right-wing president takes place on Thursday amid an unedifying spat with the(...)

A supporter of Venezuela’s president Nicolás Maduro holds a poster with a picture of the late Venezuelan president Hugo Chávez  during the last campaign rally with pro-government candidates for Sunday’s upcoming parliamentary elections, in Caracas on Thursday. Photograph: Carlos Garcia Rawlins/Reuters

With the political sands shifting in South America, the Bolivarian revolution of the late Hugo Chávez faces a major dilemma heading into crucial mid-t(...)

Brazil’s president Dilma Rousseff: said she was “indignant” at the move and said her administration had never practised “illicit acts”. Photograph: Mario Tama/Getty Images

Brazil’s president Dilma Rousseff must face impeachment proceedings in revenge for her party’s decision to back efforts to remove the head of the lowe(...)

 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(...)

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(...)