Roberto Sanchez leads Peru's presidential runoff by a narrow margin, amidst ongoing political division and uncertainty in the election outcome.

Peru will choose a president Sunday in a runoff election between Keiko Fujimori and Roberto Sanchez. The winner will be the ninth leadert in a decade.

Polls open for the final round of Peru's presidential elections on Sunday with voters set to choose the country's ninth leader in 10 years. Following a first-round vote marred…