Brazil's first lady has sworn at billionaire Elon Musk at an event ahead of the G20 summit in Rio de Janeiro. While advocating for tougher social media regulation on a panel about disinformation, Janja Lula da Silva appeared to be startled by a loud noise, joking, "I think it's Elon Musk."

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

F--- you, Elon Musk,” Brazil’s first lady said as her husband geared up to host a high-stakes summit of Group of 20 leaders.

Brazil's first lady, Janja Lula da Silva, swore at billionaire Elon Musk during a G20 social event on Saturday at which she spoke about the need to regulate social media to rein in misinformation. A ship's horn sounded as she spoke and she joked,

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