Brazil's First Lady stirred controversy at a G20 social event in Rio de Janeiro on Saturday with a fiery remark aimed at billionaire Elon Musk.

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.