Luiz Inacio Lula da Silva

Former Brazilian President Jair Bolsonaro led a significant gathering in Sao Paulo on Sunday, vehemently rejecting allegations of involvement in a coup plot to retain power, CNN reported.

Thousands of Bolsonaro's supporters, draped in Brazil's national colors, congregated on Paulista Avenue, demonstrating solidarity amidst mounting legal challenges.

G20 foreign ministers open a two-day meeting Wednesday in Brazil, with the outlook bleak for progress on a thorny agenda of conflicts and crises, from the Gaza and Ukraine wars to growing polarization.

Brazilian President Luiz Inacio Lula da Silva's comparison of Israel's military campaign in Gaza to the Holocaust has unleashed a diplomatic firestorm, with Brazil recalling its ambassador Monday and Israel declaring Lula "persona non grata."

Chile's former president Sebastian Pinera, a billionaire tycoon who twice held the South American nation's top job, died Tuesday in a helicopter crash, his office said in a statement.

The 74-year-old Pinera often flew himself around in his own helicopter, and was a former shareholder in the country's national airline, with stakes in television and football, among other businesses.

A British warship arrived off the coast of Guyana on Friday, further fueling tensions over a territorial dispute with Venezuela, which has launched a major military exercise in response to what it termed an "unacceptable" threat.

The presidents of Venezuela and Guyana pledged after direct talks on Thursday not to resort to force to settle a long-simmering — and recently reheated — territorial dispute over the oil-rich Essequibo region, a joint statement said.

Venezuelan President Nicolas Maduro and his Guyanese counterpart, Irfaan Ali, will meet Thursday on their countries' growing dispute over the oil-rich region of Essequibo, amid mounting international warnings against escalating the row.

King Charles III told world leaders Friday that the UN's COP28 talks in Dubai must be a turning point in the fight against climate change, as tough negotiations on fossil fuels began.

King Charles kicked off two days of speeches by heads of state and government in the oil-rich United Arab Emirates, with a stark warning.

Argentina will not be joining the BRICS bloc of developing economies next year as scheduled, a senior official in President-elect Javier Milei's team has said.

"We will not join the BRICS," Diana Mondino, who Milei picked as foreign minister once he is sworn into office on Dec. 10, wrote on X.

Leaders of the BRICS group have invited Saudi Arabia, Iran, Ethiopia, Egypt, Argentina and the United Arab Emirates to join - a move aimed at increasing the influence of the bloc, which has vowed to defend the "global south", Reuters reported.