Keiko Fujimori held a clear lead in Peru’s presidential runoff as the official count passed two-thirds of the vote, though her rival Roberto Sánchez declined to concede and called for the result to be respected.

Peru heads into a knife-edge presidential runoff on Sunday after Keiko Fujimori and Roberto Sánchez held their closing rallies and the country entered its pre-vote quiet period.

With two days to go, Peru's presidential runoff is too close to call — and the world's third-largest copper producer is heading into the vote

Electoral authority shows right-wing Keiko Fujimori with a marginal advantage over Roberto Sánchez.