Venezuelans vote in tense election challenging Maduro's grip on power

Polls suggest that Sunday's presidential election in Venezuela could bring an end to President Nicolas Maduro's 25-year grip on power. Tensions are high as the opposition has warned of possible irregularities and the incumbent has threatened a "bloodbath" if his challenger Edmundo Gonzales Urrutia is elected, drawing condemnation from world leaders including Brazil's Luiz Inacio Lula da Silva. 

Venezuelans vote in tense election challenging Maduro's grip on power
Polls suggest that Sunday's presidential election in Venezuela could bring an end to President Nicolas Maduro's 25-year grip on power. Tensions are high as the opposition has warned of possible irregularities and the incumbent has threatened a "bloodbath" if his challenger Edmundo Gonzales Urrutia is elected, drawing condemnation from world leaders including Brazil's Luiz Inacio Lula da Silva.