In the weeks leading up to Sunday’s violent attacks on Brazil’s Congress and other government buildings, the country’s social media channels surged with calls to attack gas stations, refineries and other infrastructure, as well as for people to come to a “war cry party” in the capital, according to Brazilian social media researchers.

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Organizers on Telegram posted dates, times and routes for “Liberty Caravans” that would pick people up in at least six Brazilian states and ferry them to the party, according to posts viewed by The Washington Post. One post said: “Attention Patriots! We are organizing for a thousand buses. We need 2 million people in Brasília.”