Watch: How Brazil's dramatic election unfolded

Millions of Brazilians participated in the first round of the country's presidential elections on Sunday. The article focuses on the unfolding of this significant electoral event, highlighting the widespread participation of the populace. The core event described is the act of voting by millions of citizens in Brazil. This election marks a crucial moment in the country's political landscape, with the outcome of this initial round determining the next steps in the presidential race. The article provides a visual component, indicated by the "Watch" in the title, suggesting a report that details the process and events of the election day.