Conservative politician Keiko Fujimori on Friday was declared the winner of the presidential runoff election in Peru, which was dominated by people's concerns over surging crime.

Conservative politician Keiko Fujimori has been declared the winner of Peru's presidential runoff election.

Keiko Fujimori won Peru's presidential runoff after defeating Roberto Sánchez by a razor-thin margin, pledging an "iron fist" against surging crime.