Supporters of Fernando Haddad, presidential candidate of the left-leaning Worker's Party (PT) react after knowing the results of the first round of the presidential election, in Sao Paulo Oct. 7, 2018. Brazil's presidential front-runners, namely Fernando Haddad and right-winger Jair Bolsonaro, are expected to face off in a run-off later this month, according to preliminary results. (Xinhua/Rahel Patrasso)