In the capital of Brazil, two suicide bombings occurred near the Supreme Court and the Chamber of Deputies. According to the Brazilian portal G1, the attacker first blew up a car in a parking lot and then threw an explosive device at the entrance to the Supreme Court. After completing the attack, he committed suicide. CNN Brazil clarifies that the attacker was Francisco Vanderley Louie, a former candidate for city councilor in the municipality of Rio do Sul in 2020.

Brazilian authorities say Francisco Vanderley Louie gave advance warning of an impending attack in a social media post hinting at his intentions. The information has sparked a heated debate in public circles and raised questions about the effectiveness of security services' threat monitoring, as the warning signal on his social media was not properly heeded.