The Latest: Presidential runoff vote starts in Peru

An electoral worker rests while listening to her colleagues as voting boxes arrive to a polling station in Lima, Peru, Saturday, June 4, 2016. The South American country is gearing up for a tight June 5th runoff between Keiko Fujimori, the daughter of jailed former President Alberto Fujimori, and former World Bank economist Pedro Kuczynski. (AP Photo/Rodrigo Abd) (The Associated Press)

Presidential candidate Pedro Pablo Kuczynski of the "Peruanos por el Kambio" political party, left, looks at his supporters during a breakfast before casting his ballot in Lima, Peru, Sunday, June 5, 2016. Peru is holding a runoff a presidential election between Kuczynski and Keiko Fujimori, the daughter of Peru's former strongman. (AP Photo/Martin Mejia) (The Associated Press)

The word "Keiko" is painted on a wall, top left, in support of presidential candidate Keiko Fujimori, in the Villa el Salvador district of Lima, Peru, Saturday, June 4, 2016. The South American country is gearing up for a tight June 5th runoff between Keiko Fujimori, the daughter of jailed former President Alberto Fujimori, and former World Bank economist Pedro Kuczynski. The sign at bottom right reads in Spanish "Christ resurrected." (AP Photo/Rodrigo Abd) (The Associated Press)

The Latest on Peru's presidential election (all times local):

8:00 a.m.

Polls are open in Peru's presidential election. Around 23 million people are eligible to vote at over 5,000 polling stations spread across the country.

Voting is mandatory in Peru about 10 percent of voters usually cast blank or destroyed ballots to express their disregard for the process.