The Peruvian presidential election is now centering on the validity of approximately 400,000 challenged ballots. These ballots have been flagged for inconsistencies, ranging from illegible handwriting to missing signatures and markings. The challenges primarily concern minor technical issues with the voting documents themselves, rather than allegations of widespread fraud. This development introduces uncertainty into the already close election outcome between candidates Keiko Fujimori and Pedro Castillo. Election authorities are now tasked with reviewing these disputed ballots, a process that could significantly impact the final vote count. A formal recount is increasingly likely as the review progresses. The outcome of this scrutiny will be crucial in determining the next president of Peru.