Peru’s bitterly contested presidential election has entered a dangerous new phase after the party of leftist candidate Roberto Sánchez announced it would not recognise the final result, citing a “lack of transparency” and calling supporters onto the streets. With 99 per cent of ballots processed, the conservative Keiko Fujimori holds a razor-thin lead of 50.097 per cent to Sánchez’s 49.903 per cent — a margin of roughly 35,000 votes out of more than 19 million cast. The National Office of Electoral Processes (ONPE) has yet to declare a winner, as some 256,000 votes from contested polling stations and overseas ballots remain under adjudication, a process officials warn could take until the end of the month.

Viewed from Lima, the reversal of fortune that has inflamed tensions is striking. Early counting had favoured Sánchez, the political heir of former president Pedro Castillo, but a surge of support from Peruvians abroad and the resolution of challenged ballots steadily pushed Fujimori ahead. The country’s deep polarisation was captured in microcosm in the mountain district of Lahuaytambo, where the two candidates tied perfectly with 181 votes each — a rare electoral deadlock that mirrors a nation split down the middle. Fujimori, daughter of the imprisoned former authoritarian president Alberto Fujimori, has campaigned on a platform of economic stability and security, while Sánchez has channelled the grievances of rural and working-class voters who feel abandoned by the political establishment.

Beyond the arithmetic, the election has reopened wounds from Peru’s recent upheavals. In the capital, relatives of the 49 civilians killed during the 2022–2023 protests against the government of Dina Boluarte staged a demonstration outside the Palace of Justice, vowing never to accept a Fujimori presidency. “We will not accept a government of the daughter of a dictator,” said Milagros Samillán, whose brother was among the dead, accusing Fujimori of shielding those responsible for the killings. The protests, which originally erupted to demand Boluarte’s resignation and the release of former president Pedro Castillo, remain a raw memory, and any perception that the electoral process has been manipulated could reignite widespread unrest.

Analysts in Washington and Brussels note that the electoral authorities now face a defining test. The contested ballots — many from rural and overseas districts — must be scrutinised individually, a painstaking process that leaves ample room for political pressure and disinformation. Sánchez’s Juntos por el Perú party has already signalled it will stage a major protest in Lima on Wednesday, with further actions planned across the country. While Fujimori’s camp has urged respect for the official count, the left’s refusal to concede risks entrenching a narrative of illegitimacy that could hobble any incoming government. As Peru awaits a final verdict, the margin between a fragile democratic transition and a renewed cycle of confrontation has rarely been thinner.