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Thailand and Cambodia Implement Immediate Border Ceasefire With ASEAN Oversight

Unresolved border demarcation disputes over sites such as Preah Vihear cast doubt on the truce’s durability.

Overview

  • The truce took effect at midday on December 27 under a joint declaration signed at a border crossing by Defense Ministers Tea Seiha and Nattaphon Narkphanit.
  • Sixteen de-escalation measures freeze military positions, halt new deployments, ban attacks on civilians and infrastructure, restrict airspace violations, and establish direct lines for incident management.
  • Thailand is required to repatriate 18 Cambodian soldiers once 72 hours of an effective ceasefire have been verified.
  • ASEAN observers will play a reinforced monitoring role alongside bilateral coordination units to verify compliance and address any violations.
  • Fighting since December 7 left more than 40 people dead and displaced hundreds of thousands up to around one million, with Cambodia reporting Thai F‑16 strikes the day before the pact and the Thai military confirming the attack.