Brazilian authorities are investigating whether a recent surge in wildfires in the Amazon rainforest have been set on purpose for political motives ahead of the second round of presidential elections later this month.
Fire counts across the biome, which have been near historic lows this year, have tripled since Oct. 4, when Brazilians voted in the first round of national elections. Sen. Flávio Bolsonaro, the son of former President Jair Bolsonaro, won 47% of the vote, while President Luiz Inácio Lula da Silva received 45%. The two will face off in an Oct. 25 runoff.
