Updated

President Luiz Inácio Lula da Silva's campaign filed a petition with Brazil's top electoral court on October 20, 2026 seeking to disqualify right-wing rival Flavio Bolsonaro from the presidential runoff scheduled for Sunday. The petition claims US tech giant Meta engaged in "algorithmic manipulation" to suppress Lula's campaign content and boost Bolsonaro's reach on social media, escalating tensions in what is already a closely contested race.