Fujimori has yet to concede defeat .
Election officials announce all ballots have been processed and Pedro Pablo Kuczynski wins the closest presidential contest in five decades with 50.1 percent of the votes versus 49.9 % for Keiko Fujimori .
Fujimori has yet to concede defeat .
Election officials announce all ballots have been processed and Pedro Pablo Kuczynski wins the closest presidential contest in five decades with 50.1 percent of the votes versus 49.9 % for Keiko Fujimori .