Polls closed Sunday in Brazil’s presidential election runoff between former leftist leader Luiz Inacio Lula da Silva and the far-right current President Jair Bolsonaro, which has seen the incumbent slightly erode the lead of his challenger in latest opinion surveys. After opening early Sunday morning, polls closed at 5 p.m. local time (4 p.m. ET), with the country’s electronic ballot system set to confirm results about two hours after the voting concludes. …