Colombian president-elect Abelardo De la Espriella suspended his government's transition process with the outgoing administration of Gustavo Petro on July 7, after the latter renewed unsubstantiated allegations that June's presidential election — which De la Espriella won by a margin of barely 250,000 votes — had been fraudulently manipulated in his favour.

In an X post, De la Espriella said he had instructed his vice-president-elect, José Manuel Restrepo, to halt the handover process "with immediate effect," slamming Petro's administration as a government whose "decisions and conduct" were aimed at damaging the country. He added that his responsibility was "to protect the interests of the nation and guarantee a serious, transparent transition that serves Colombians, never to legitimise disaster or the disregard of the constitutional order." He said he would address the nation later on the same day to explain his decision in full.

Restrepo, who has led the transition effort since it began in early July under a 24-day formal handover schedule agreed with outgoing finance minister Germán Ávila, framed the suspension as a direct response to Petro's continued refusal to accept the vote's outcome. "Nearly 13 million Colombians chose a new direction for the country," he wrote on X. "No one has the right to disregard that popular mandate or to question the legitimacy of the president-elect."

The suspension followed a lengthy post on X by Petro in which he doubled down on allegations that the vote count had been manipulated through altered algorithms, without presenting supporting evidence. "Abelardo did not win the elections," Petro wrote, adding that Iván Cepeda, the leftist senator whom De la Espriella defeated in the June 21 runoff, remained Colombia's legitimate president-elect.

The claims contradict Petro's own earlier commitment, made immediately after the runoff result, to respect the outcome. International electoral observation missions, including those from the Organisation of American States and the European Union, subsequently praised Colombia's National Registry and National Electoral Council for the transparency and organisation of the vote. Cepeda himself, after initially casting doubt on the result, acknowledged there was no evidence of irregularities in the first round, a position he did not formally extend to the runoff, though he remarkably stopped short of endorsing Petro's fraud narrative.

The suspension deepens a handover process that had already turned unusually combative. In a July 5 address livestreamed from his Barranquilla office, De la Espriella had pledged to dismantle all mechanisms of Petro's flagship "Total Peace" policy from August 7, reactivate suspended arrest warrants against armed group members and establish a legal team to file criminal, fiscal and disciplinary complaints over what he described — again without providing specific evidence — as "hundreds of irregularities" uncovered during the review. He had also called the outgoing administration "the most corrupt in all our history."

Despite the suspension, Restrepo said his team's substantive work would continue. "Democracy, the Constitution, and the sovereign will of citizens are respected. But let it be absolutely clear: this decision does not stop our work. We will continue investigating, gathering information and rigorously documenting the reality of the country and the situations the next government will have to face," he said.

De la Espriella has consistently framed the transition as going beyond a conventional exchange of information, casting it instead as an audit of the state in which Petro leaves government and has ordered his team to publish detected irregularities daily on his Defensores de la Patria movement's website.

Petro, for his part, has called a national mobilisation for July 20, Colombia's Independence Day, to defend the social reforms achieved during his government, describing the occasion as his public farewell as head of state.

De la Espriella, a right-wing populist who modelled his campaign explicitly on Donald Trump, Nayib Bukele of El Salvador and Javier Milei of Argentina, and who received repeated public endorsements from Trump during the campaign, is due to take office on August 7. He won the runoff with 12.9mn votes — the largest total ever recorded by a Colombian presidential candidate — against Cepeda's 12.7mn, in one of the tightest results in the country's history. The increasingly acrimonious transition suggests the deep polarisation that defined the election campaign is unlikely to dissipate when he crosses the threshold of the Casa de Nariño.