Thailand's Prime Minister Anutin Charnvirakul and Cambodia's Prime Minister Hun Manet shake hands and hold up a document, during the signing of a ceasefire deal between Cambodia and Thailand on the sidelines of the 47th Association of Southeast Asian Nations (ASEAN) summit in Kuala Lumpur, Malaysia, October 26, 2025. REUTERS/Evelyn Hockstein

Thailand and Cambodia have erupted into open conflict along their disputed border, raising concerns about the fragility of peace efforts led by United States President Donald Trump.

The military confrontation began Monday when Thailand launched airstrikes after accusing Cambodia of attacks from its territory. This sudden hostilities come just months after a significant agreement was brokered under Trump’s leadership aimed at preventing further violence in the region.

According to Thai military announcements, Cambodian forces targeted Thai positions near Anupong Base with artillery and mortar fire early on Monday morning local time, killing one Thai soldier and injuring seven others. This prompted what Thailand claims were retaliatory airstrikes targeting Cambodia’s border infrastructure, specifically weapons installations supporting separatist activities at the Chong An Ma Pass.

While no immediate confirmation exists regarding civilian casualties from the aerial strikes themselves, Cambodian military spokespersons strongly disputed the notion that they initiated hostilities first. Cambodia denied responsibility for attacks and dismissed reports of Thai air strikes as baseless accusations designed to escalate tensions, with its Ministry of National Defense calling it “false information.”

This escalation threatens the peace deal’s viability only two months after it was agreed upon in August. The fragile agreement came into effect following Trump’s intervention late last year.

Hun Sen, Cambodia’s former prime minister and father of current leader Hun Manet, issued a statement urging restraint despite the conflict. He warned his military forces to “educate all officers and soldiers accordingly” regarding the established response boundaries from previous agreements.
Title: Thai-Cambodia Border Conflict Erupts as Peace Deal Faces Crisis

The situation along the border between Thailand and Cambodia has escalated into direct military confrontation following a series of airstrikes, raising concerns about the stability of peace initiatives just months after a fragile ceasefire agreement was brokered by U.S. President Donald Trump.

On Monday, hostilities broke out when Thai forces conducted airstrikes against Cambodian territory near the Chong An Ma Pass area, marking a significant escalation in tensions between the Southeast Asian neighbors and casting doubt on ongoing diplomatic efforts to maintain peace along their shared border.

The incident began early Monday morning local time, with Thailand accusing Cambodia of launching attacks from its side following artillery shelling incidents. Thai military officials confirmed that seven Cambodians were reported injured during these cross-border attacks, while one Thai soldier was killed at Anupong Base. This prompted the Royal Thai Air Force to carry out targeted strikes against suspected arms positions inside Cambodia.

However, Cambodian authorities vehemently disputed Thailand’s claims and stated they had mobilized their military capabilities as a defensive measure following perceived provocations from Bangkok. The country denied launching attacks first while simultaneously denying responsibility for the recent airstrikes attributed by Thailand.

The current conflict threatens to undermine the peace deal signed only two months ago. Despite the ceasefire agreement coming into effect in August, tensions have remained volatile since its inception late last year.