Cambodia Accuses Thailand of Illegal Post-Ceasefire Occupation, Cites Breaches of International Law

PHNOM PENH, Cambodia (Jan. 3, 2026) — Cambodia on Saturday accused Thailand of maintaining an illegal occupation of its territory despite a ceasefire agreement, alleging serious violations of international law and bilateral treaties.

The Ministry of Foreign Affairs and International Cooperation said Thai armed forces have continued aggressive activities inside Cambodian territory, including areas beyond Thailand’s claimed boundary line, despite the truce that took effect following the 3rd Special Meeting of the General Border Committee on Dec. 27.

According to the ministry, Thai forces forcibly entered and placed under their control areas “unequivocally located” within Cambodia during military operations from Dec. 7 to 27. The incursions spanned four provinces: Banteay Meanchey, Pursat, Preah Vihear and Oddar Meanchey.

Cambodia accused Thai troops of demolishing civilian homes and cultural structures in several villages and border areas, actions it said violate the U.N. Charter, the Fourth Geneva Convention of 1949 and Additional Protocol I of 1977, which prohibit attacks on civilian objects and destruction of property.

Officials said the actions have prevented displaced civilians from returning home and amount to a continuing unlawful occupation established through force, which “cannot generate any legal rights under international law.”

Phnom Penh lodged a formal protest demanding Thailand cease all hostile activities, withdraw troops and equipment, and respect the mandate of the Joint Boundary Commissions to demarcate the border in line with existing treaties.

Cambodia urged Thailand to comply with the ceasefire and joint declarations on peaceful dispute settlement, while reaffirming its commitment to resolving border issues through lawful means. The ministry also called on the international community to press Thailand to settle the disputes in accordance with international law and bilateral agreements.