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,

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.

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Many Bolsanaro supporters are believed to have fled to Argentina following prosecutions for the Brasilia riots

An Argentine judge ordered the arrest of 61 people sought by Brazil for alleged involvement in the ransacking of its capital early last year, according to a local newspaper, just as the presidents of both countries head for a potentially awkward encounter at the G-20 summit.