Heads of state arrived in Rio de Janeiro on Sunday for the G20 summit and will spend Monday and Tuesday addressing issues from poverty and hunger to the reform of global institutions

Brazilian President Luiz Inacio Lula da Silva, hosting the G20 summit in Rio de Janeiro from Monday, will try to progress plans to tax the world's richest billionaires, who often use complex loopholes to avoid tax.

Chinese President Xi Jinping arrived in Rio de Janeiro on Sunday to attend the G20 summit and is set to have in-depth talks with Brazilian President Luiz Inacio Lula da Silva, Chinese state media reported on Monday.

Brazil ’s first lady swore at billionaire Elon Musk at a G20 event in Rio de Janeiro about social media misinformation over the weekend. Janja Lula da Silva, whose husband is President Luiz Inácio Lula da Silva, was talking about the need to combat fake news and regulate social media networks when she made it known how she felt about the Tesla CEO.

Brazil's first lady, Janja Lula da Silva, swore at billionaire Elon Musk during a G20 social event on Saturday.