Keiko Fujimori has regained the lead in Peru's closely contested presidential election, according to updated vote tallies.

The daughter of former president Alberto Fujimori appears to have edged ahead in what has been characterized as an extremely tight race between the leading candidates.

The election results highlight the deep political divisions within Peru as voters choose between competing visions for the country's future direction.

Vote counting continues as electoral authorities work to finalize the official results of the presidential contest.