How students and social media delivered Lula a historic comeback in Brazil | Explainer

Luiz Inácio Lula da Silva, the Brazilian president, has staged a dramatic election fightback, defeating his far-right opponent, Flávio Bolsonaro, to claim a historic fourth term in power. The 80-year-old leftist received 4.4m votes more than Bolsonaro, with a 51.79% share to his 45-year-old rival’s 48.21%. However, soon after Brazil’s electoral authority confirmed Lula’s victory, Bolsonaro refused to concede defeat and asked for the results to be annulled