Brazil President Dilma Rousseff narrowly trailed challenger Aecio Neves in latest opinion polls ahead of their October 26 election showdown, a survey showed.
Neves, who upset predictions to eliminate environmentalist and early front-runner Marina Silva in Sunday's first round, was polling 46 percent to 44 for Rousseff, the Ibope poll for Globo television and Estado de Sao Paulo newspaper showed on Thursday.
The difference is within the margin of error of both polls and considered a statistical tie.
The surveys were the first by Brazil's two major polling firms since Sunday's first-round vote in which leftist Rousseff won 41.6 percent of the votes cast to 33.6 percent for Neves.
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