After Castillo took the lead during the ballot-counting process, Fujimori promoted unproven claims of electoral fraud.[173][2][177] In a media event following election day, Fujimori alleged that a "series of irregularities" had occurred, presenting photographs and videos in an attempt to support her allegations, while also accusing Free Peru of attempting to "distort and delay" the election process.[173][177] According to the Guardian, various international observers countered Fujimori's claims, stating that the election process was conducted in accordance with international standards.[173] Observers from the Inter-American Union of Electoral Organizations, the Organization of American States, and the Progressive International denied any instances of widespread fraud and praised the accuracy of the elections.[178][179] The Guardian also reported that analysts and political observers criticized Fujimori's remarks, noting that it made her appear desperate after losing her third presidential run in a ten-year period.[173] Fernando Tuesta, political scientist from the Pontifical Catholic University of Peru, stated: "It's extremely regrettable that when the result is not favourable, that the candidate talks about fraud.