President Bola Ahmed Tinubu of Nigeria arrived in Rio de Janeiro late Sunday night, marking his participation in the 19th ...

Diplomatic tensions over global warming will take centre stage at the G20 summit that opens in Brazil on Monday, as leaders ...

Australia's Prime Minister Anthony Albanese will meet China's President Xi Jinping in Brazil on Monday, as Beijing seeks to ...

Discussions of trade, climate change and international security will run up against sharp US policy changes that Trump vows ...