LA PAZ, Bolivia (AP) — Bolivia's presidential vote headed to an unprecedented runoff after a vote Sunday that ended more than two decades of left-wing dominance in the Andean nation but signaled voters' trepidation about a major lurch to the right.

A dark horse centrist, Sen. Rodrigo Paz, drew more votes than the right-wing front-runners, although not enough to secure an outright victory, early results showed.

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