Bolivia’s charismatic, long-serving ex-President Evo Morales told The Associated Press on Saturday that he didn’t know what to do about threats by the right-wing presidential candidates to arrest him if they came to power.

Former Bolivian president Evo Morales has launched a campaign for a contender called “Nulo,” representing a null-and-void vote.

Ex-President Morales is credited with lifting millions out of poverty. But his political ambitions divide the left.

Early official result showed the ruling Movement for Socialism (MAS) on track for its worst election defeat in a generation.

Now, on October 19, Bolivians will hold presidential runoff for the first time—an option only introduced in the 2009 Constitution. As voters prepare to pick their next president, AS/COA online looks at dark horse candidate Paz, the collapse of MAS, and the composition of the next national legislature.

LA PAZ, Aug 17 (Reuters) - 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.