Thailand and Cambodia agree ceasefire after weeks of deadly clashes | BBC News

BBC NewsAbout 3 min readDec 28, 2025Watch original
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Key Concepts

  • Ceasefire Agreement: A temporary suspension of hostilities between Thailand and Cambodia.
  • Troop Movements Freeze: Agreement to halt further military advancement along the border.
  • Displaced Persons: Approximately one million people affected by the conflict, seeking to return home.
  • Asan Observer Team: Third-party mediators deployed to monitor the ceasefire.
  • Bilateral vs. Multilateral Mediation: The dispute over whether negotiations should be solely between Thailand and Cambodia, or include regional observers (ASEAN).
  • Kalamur Declaration (October): Initial agreement signed with US and Malaysian involvement.

Return to Ceasefire: Thailand & Cambodia Border Conflict

Following 20 days of renewed fighting, Thailand and Cambodia have re-established a ceasefire agreement, signed by both countries’ defense ministers and effective immediately. The core of the agreement centers on an immediate cessation of hostilities and a freeze on further troop advancements along the border. This development is crucial as the conflict has impacted over one million people on both sides, creating a significant displacement crisis. The agreement aims to facilitate the return of these displaced individuals to their homes.

Specific Terms of the Agreement

The agreement comprises 10 points, with the primary focus on maintaining the current troop positions rather than a full-scale retreat. According to the Thai military, the agreement doesn’t mandate troop withdrawal, but rather prevents further forward movement. A key component involves the release of 18 Cambodian soldiers held captive in Thailand since July. This release is contingent upon the ceasefire holding for a 72-hour period. During this fragile 72-hour window, an ASEAN observer team will be deployed as neutral, third-party mediators to oversee the implementation of the ceasefire.

International Involvement & Mediation Efforts

The current ceasefire builds upon an initial agreement signed several months prior in October, during a gathering in Kalamur presided over by US President Donald Trump and Malaysian Prime Minister Anwar Ibrahim. Following the recent escalation, both President Trump and Prime Minister Anwar Ibrahim engaged in direct calls to address the situation. Beyond these high-level interventions, officials at the secretarial level from both the US and China have been actively involved in mediation efforts aimed at de-escalating the conflict.

However, the Thai side has maintained a firm and assertive stance, stating they would not halt military operations unless Cambodia complies with their conditions. Thailand has consistently advocated for a bilateral resolution to the dispute, resisting external mediation beyond the involvement of the ASEAN observer team. This position highlights a preference for direct negotiations with Cambodia, rather than broader international intervention. As stated by the Thai military, they are insistent on a bilateral approach “allowing the ASEAN observer team to be the third party.”

Logical Connections & Context

The re-establishment of the ceasefire represents a de-escalation following a period of heightened tension. The initial Kalamur Declaration laid the groundwork for the current agreement, but the recent fighting necessitated renewed diplomatic efforts. The involvement of the US, China, and ASEAN reflects the regional and international significance of the conflict. The Thai insistence on a bilateral approach, while accepting ASEAN observers, underscores their desire to maintain control over the negotiation process and ensure their security concerns are addressed directly by Cambodia.

Data & Statistics

  • One million+: Estimated number of people displaced by the conflict in both Thailand and Cambodia.
  • 18: Number of Cambodian soldiers held captive in Thailand, slated for release upon successful ceasefire persistence.
  • 72 hours: Critical timeframe for the ceasefire to hold before the release of prisoners and continued observation.
  • October: Month of the initial Kalamur Declaration signed with US and Malaysian involvement.

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