Why it matters
  • Lead. Colombia’s National Liberation Army declared a unilateral ceasefire from June 20 to 23, bracketing Sunday’s presidential vote between conservative outsider Abelardo de la Espriella and leftist Senator Iván Cepeda.
  • Fact. De la Espriella led the May 31 first round with 43.7% to Cepeda’s 40.9%, a margin of more than 670,000 votes that defied pre-election polling, while allegations of voter coercion in 109 remote municipalities have already clouded the contest.
  • Stake. The winner governs Colombia until 2030, setting policy on relations with the United States, the cocaine trade, and whether negotiations with the country’s last major insurgency continue at all.

Colombia’s guerrilla group ELN announced on Monday that its fighters would stand down from June 20 to June 23, timed to bracket the country’s presidential election on Sunday, June 21. The group said in a written statement that it respected citizens’ “right to vote freely” and had no intention of threatening “any of the candidates, or stopping people from voting.”

A ceasefire with contested timing

The declaration arrives against a backdrop of allegations that have already strained the credibility of Sunday’s vote. De la Espriella’s campaign urged Colombia’s attorney general to investigate whether armed groups coerced voters in 109 remote municipalities during the first round, where Cepeda received more than 70 percent of the ballots cast. Cepeda has denied any organizational link to the ELN and dismissed the allegations as an attempt to discredit his candidacy.

The ELN, founded in the 1960s, now operates as much as a criminal enterprise as a political insurgency. Its roughly 6,000 fighters are spread across Colombia and Venezuela, financing operations through extortion, illegal gold mining, and drug trafficking. Whether the ceasefire declaration reflects a genuine commitment to electoral neutrality—or a tactical gesture designed to benefit a preferred outcome—is a subject of open dispute in Bogotá.

What the two candidates represent

De la Espriella, a lawyer presenting himself as a political outsider, has built his campaign on a hard line against organized crime and an explicit promise to cancel the government’s peace-negotiation track with rebel groups. U.S. President Donald Trump endorsed him publicly before the first round. Cepeda, a senator and close ally of incumbent President Gustavo Petro, positions himself as the second stage of Petro’s administration—including its dialogue with the ELN.

Political consultant Miguel Silva summed up the dynamic after the first round: “Whoever makes fewer mistakes will be the winner.” With roughly 2.6 million votes from eliminated candidates in play—most notably supporters of centrist Sergio Fajardo and conservative Paloma Valencia, whose running mate declined to endorse De la Espriella—both camps are competing for alignments that remain genuinely uncertain going into the weekend.

Stakes beyond the ballot

Colombia is the United States’ closest security partner in South America and the world’s largest producer of cocaine. A De la Espriella government would bring a harder confrontation with criminal networks but would also likely end the ELN dialogue, risking renewed conflict in regions that have benefited from the negotiating process. A Cepeda victory would sustain Petro’s peace agenda but faces the challenge of governing with a conservative congress and a security apparatus skeptical of negotiation.

For the first-round results that set up this contest, see De la Espriella leads Colombia’s first round, forcing June 21 runoff. Polls close on Sunday at 4:00 p.m. local time; results are expected the same evening.