Iván Cepeda, the left-wing presidential candidate in Colombia's recent run-off election, has conceded defeat following a narrow loss to right-wing businessman Abelardo de la Espriella. Preliminary results indicated de la Espriella secured victory by less than one percentage point, marking the closest presidential contest in recent Colombian history.

Cepeda initially stated he would await the final official count but announced his decision to accept the outcome on Wednesday. He directly criticized U.S. President Donald Trump for his public endorsement of de la Espriella, labeling it as "open and undue foreign interference in Colombia's internal affairs." Trump had previously referred to Cepeda as a "radical Left Marxist" and congratulated de la Espriella on his win, characterizing it as an easy victory despite the slim margin.

In an effort to promote national unity, Cepeda framed his concession as "an act of democratic responsibility" aimed at fostering "co-existence, peace, and dialogue among Colombians." As the second-place candidate, Cepeda is entitled to a seat in the Senate, where he intends to serve as a "democratic, vigilant and constructive opposition."

De la Espriella, who had previously vowed to "gut the Left" during his campaign, also adopted a conciliatory tone in his victory speech, assuring those with differing political views that they had nothing to fear.

Since the run-off, de la Espriella has signaled a shift in foreign policy, moving towards closer alignment with the Trump administration than the outgoing president, Gustavo Petro, who frequently clashed with his U.S. counterpart. The president-elect announced on Tuesday that he would accept an invitation for Colombia to join the "Shield of the Americas," a U.S.-led alliance focused on combating criminal cartels and drug trafficking.

Abelardo de la Espriella is scheduled to be sworn into office on August 7.