Early exit polls in Bolivia's presidential election on Sunday showed Centrist Senator Rodrigo Paz of the Christian Democratic Party leading, with the ruling Movement for Socialism party on track to suffer its worst electoral defeat in a generation.

STORY: Early official results in Bolivia show the country's ruling leftists on track for their worst defeat in a generation.Instead the electoral tribunal says centrist senator Rodrigo Paz of the Christian Democratic Party is leading the election late Sunday.

Bolivia’s presidential vote headed to an unprecedented runoff after elections Sunday that ended more than two decades of left-wing dominance in the Andean nation but signaled voters’ apprehension about a major stagger to the right.