Four-time candidate Keiko Fujimori is locked in a tight run-off with leftist rival Roberto Sanchez.

Progressive candidate Roberto Sánchez and right-wing Keiko Fujimori will compete in a race that appears up for grabs

Peruvians will elect their new president Sunday with polls suggesting a polarized but tight race between hard-right candidate Keiko Fujimori and leftist Roberto Sánchez.