Supporters of presidential candidate Pedro Castillo gather near a ballot counting site, in Lima, Peru, Tuesday, June 8, 2021. Peruvians on Tuesday were still waiting to learn who will become their president next month as votes from Sunday’s runoff election continued to be counted and the tiny difference between the two polarizing populist candidates narrowed. (AP Photo/Martin Mejia)

Supporters of presidential candidate Keiko Fujimori protest alleged election fraud, outside the site where the votes are being counted, in Lima, Peru, Tuesday, June 8, 2021, two days after the presidential runoff between Fujimori and rival candidate Pedro Castillo. (AP Photo/Martin Mejia)

Presidential candidate Keiko Fujimori smiles during a press conference at her campaign headquarters after claiming electoral irregularities, in Lima, Peru, Monday, June 7, 2021, the day after the runoff election. With 95% of ballots tallied, presidential candidate Pedro Castillo has a narrow lead over Fujimori, according to official results. (AP Photo/Guadalupe Pardo)

Presidential candidate Pedro Castillo greets supporters celebrating partial election results that show him leading over Keiko Fujimori, at his campaign headquarters in Lima, Peru, Monday, June 7, 2021, the day after a runoff election. (AP Photo/Martin Mejia)

Supporters of presidential candidate Pedro Castillo march near the site where the votes are being counted, as they listen to partial election results that show Castillo leading over his rival Keiko Fujimori, in Lima, Peru, Tuesday, June 8, 2021, two days after a runoff election. (AP Photo/Martin Mejia)

Supporters of presidential candidate Keiko Fujimori protest near a ballot counting site alleging election fraud, in Lima, Peru, Tuesday, June 8, 2021. Peruvians on Tuesday were still waiting to learn who will become their president next month as votes from Sunday’s runoff election continued to be counted and the tiny difference between the two polarizing populist candidates narrowed. (AP Photo/Martin Mejia)