Colombia ELN Election Ceasefire Expires (June 2 Midnight); Post-Vote Analysis: Peace Architecture on the Ballot for June 21 Runoff

June 2, 2026 — The ELN's 4-day election ceasefire expired at midnight on June 2 as declared, having held for the May 31 first-round presidential vote and the two-day post-vote stabilization period without significant violations. The ceasefire covered 96 hours — a gesture by the ELN to demonstrate its claim to political legitimacy and respect for the electoral process, not a resumption of formal negotiations. The May 31 election result: Iván Cepeda (Pacto Histórico left-wing, ~44.5%) and Abelardo De la Espriella (conservative right-wing, ~43.7%) advanced to a June 21 runoff. Al Jazeera reported widespread 'celebration, shock and scepticism' across Colombia following the result, with Cepeda supporters energized and De la Espriella's base in consolidation mode. The June 21 runoff carries decisive stakes for Colombia's entire peace architecture: a Cepeda victory is expected to restart ELN negotiations (suspended since the January 2025 Catatumbo massacre), continue the JEP transitional justice system, and attempt re-engagement with the FARC-EMC (Mordisco faction). A De la Espriella victory — now backed by Paloma Valencia's Democratic Center voters (~14% first round) and other right-wing factions — would mean immediate termination of all armed group negotiations and a military-first security doctrine. Crisis Group's May 2026 analysis 'Colombia's Polls Mark a Forking Path' assessed that De la Espriella could win the runoff despite trailing in the first round, given the right-wing vote consolidation dynamic. The JEP (Special Jurisdiction for Peace) continues operating independently of presidential politics under its constitutional mandate — its macro-cases, including the 'false positives' (6,402+ extrajudicial killings), will proceed regardless of the June 21 outcome.