New Delhi, June 8 -- The winner of Peru's presidential runoff election was not yet known hours after polls closed Sunday as electoral authorities slowly tallied votes cast for the ninth head of state in 10 years.

Figures released by electoral authorities showed conservative politician Keiko Fujimori with a modest lead over nationalist congressman Roberto Sanchez with 58% of ballots tallied in a contest overshadowed by people's concerns about surging crime. The outcome, expected to be tight, may not be known for days.

The figures showed Fujimori received 5.96 million votes, or 52.6%, while Sanchez earned 5.36 million votes, or 47.4%.

Unlike the first-round vote, no major incidents delayed the opening or closure of voting centers. In the...