Luiz Inacio Lula da Silva

Congratulations poured in from around the world on Tuesday after Claudia Sheinbaum was elected Mexico's first woman president, sparking hope for change in a country where gender-based violence has long been rife.

Raging floods and mudslides have killed at least 57 people in southern Brazil and forced nearly 70,000 to flee their homes, the country's civil defense agency said on Saturday.

At least 74 people were injured and another 67 missing from the catastrophic flooding, civil defense said.

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.