New Delhi, April 14 -- Peruvians still did not know Monday night the outcome of Sunday's presidential election after the failure to deliver ballots to voting centers forced authorities to extend voting by a day, but early results showed two right-wing candidates were ahead.

Keiko Fujimori, the conservative daughter of a disgraced former president, and Rafael López Aliaga, the ultra conservative former mayor of Peru's capital, Lima, lead the pack of 35 candidates with 62% of ballots tallied. Official results showed Fujimori had received 16.88% of the votes tallied, while López Aliaga earned 13.88%.

Electoral authorities counted votes throughout Monday even though thousands of Peruvians were back at the polls for a second day of...