With the last campaigns only one day in the rearview mirror, Bolivia’s political world has delved into preparations for an unprecedented runoff election that will reveal the extent of a centrist senator’s unexpected traction in the presidential vote.

Early results in Bolivia's presidential election show the country headed for an unprecedented runoff following a vote in which a dark horse centrist, Sen. Rodrigo Paz, drew more votes than the right-wing front-runners, although not enough to secure an outright victory.

Bolivians have headed to the polls for a pivotal election that could end the long reign of the leftist Movement Toward Socialism party.