Lima, June 7 -- Polling stations across Peru opened on Sunday for the second round of the presidential election and will remain open until 5:00 p.m. local time (22:00 GMT).

The runoff is between right-wing politician Keiko Fujimori and left-wing candidate Roberto Sanchez of the Together for Peru party.

Fujimori, the daughter of late former president Alberto Fujimori-who was sentenced to 25 years in prison for human rights violations and corruption-is contesting the presidency for a fourth time. Sanchez, meanwhile, represents a left-wing platform calling for sweeping state reforms and increased public spending, Al Jazeera reported.

The election comes amid years of political instability in Peru, where eight presidents have served over the ...