Thursday | 13rd November 2025
The much-heralded peace declaration brokered by US President Donald Trump between Thailand and Cambodia appears to be unraveling, as fresh clashes erupted along their disputed border on Wednesday. Both countries traded accusations of opening fire, in skirmishes that left at least one person dead and several others injured.
The violence marks the most serious breach of the fragile truce since Trump personally presided over the signing of the peace accord in late October. It also raises questions about the durability of the US-brokered agreement, which was once touted as a landmark achievement in Southeast Asian diplomacy.
Renewed Tensions Despite Peace Deal
The brief exchange of gunfire came just two days after Bangkok announced the suspension of the peace agreement, citing security concerns following a landmine explosion that injured several Thai soldiers on patrol near the contested frontier on Monday.
The incident reignited long-standing tensions over the demarcation of the border region, which has been a flashpoint for decades due to overlapping territorial claims surrounding several ancient temple sites and nearby villages.
In July, Thailand and Cambodia fought a five-day conflict that killed dozens and displaced more than 200,000 people on both sides of the border. Trump’s direct involvement in mediating a ceasefire was hailed by both governments at the time, and Cambodian Prime Minister Hun Manet even nominated the US president for the Nobel Peace Prize, describing his intervention as “a turning point for regional peace.”
A Fragile Agreement Under Strain
An initial ceasefire was reached on July 28 after Trump held separate phone calls with Prime Minister Hun Manet and Thai Prime Minister Srettha Thavisin. The two leaders later formalized the peace declaration in Kuala Lumpur on October 30, in a high-profile ceremony witnessed by Trump and Malaysian Prime Minister Anwar Ibrahim.
The agreement was intended to establish a permanent monitoring mechanism and joint border patrols under ASEAN supervision. However, the arrangement began to fray almost immediately, with mutual accusations of encroachment and sporadic minor incidents reported along the frontier.
Both Sides Trade Blame for Deadly Clash
Cambodia’s Ministry of Defense said Wednesday that Thai soldiers opened fire on civilians in a border village in Banteay Meanchey province at around 3:50 p.m., killing one person and wounding three others. The ministry said the Thai military launched another round of gunfire two hours later, describing the attacks as “unprovoked acts of aggression.”
“Thailand’s forces have engaged in provocative actions over the past several days with the clear intention of inciting clashes and undermining the peace process,” ministry spokesperson Lt. Gen. Maly Socheata said in a statement.
The ministry added that the incident took place in an area that both countries claim as their own — the same village where a tense confrontation erupted in September between Cambodian villagers and Thai security forces. That earlier dispute saw Thai police use tear gas and rubber bullets to disperse protesters.
Thailand Issues a Counterclaim
Thailand, however, rejected Cambodia’s accusations, saying its troops came under fire first. A Thai army spokesperson said Cambodian soldiers had opened fire across the border in Sa Kaeo province at approximately 4:00 p.m.
“Thai troops took defensive positions and returned warning shots strictly in line with the rules of engagement,” Maj. Gen. Winthai Suwaree said in a televised briefing. He added that there were no Thai casualties and that the skirmish lasted for about 10 minutes before both sides disengaged.
The Thai Foreign Ministry called for calm and urged Cambodia to “respect existing mechanisms” for dispute resolution under the peace framework, while reaffirming Thailand’s “commitment to regional stability.”
Washington and ASEAN Express Concern
The US State Department expressed “serious concern” over the reports of renewed fighting, calling on both governments to exercise restraint and uphold the commitments made under the October peace declaration. “The United States stands ready to assist both parties in restoring dialogue and preventing further escalation,” a spokesperson said.
Meanwhile, ASEAN Secretary-General Kao Kim Hourn said the bloc was “closely monitoring developments” and might consider dispatching a fact-finding team to assess the situation if tensions continue to rise.
A Setback for Trump’s Foreign Policy
The breakdown of the Thailand–Cambodia peace accord represents a blow to Trump’s foreign policy narrative, as he had portrayed the agreement as proof of his ability to “end wars others could not.” During the signing ceremony in Kuala Lumpur, Trump had declared the deal “a model for conflict resolution everywhere.”
Analysts say the renewed clashes underscore the deep-rooted mistrust between the two neighboring nations and the challenges facing any external mediator — even one as high-profile as a US president — in resolving complex territorial disputes.
“This latest flare-up shows that the peace agreement was more symbolic than substantive,” said Dr. Sophal Ear, a Southeast Asia expert at Arizona State University. “Without real mechanisms for conflict resolution and border demarcation, the situation remains a tinderbox.”
As of Thursday, both governments said they were reinforcing troops along the frontier but insisted they did not seek a wider conflict. Nevertheless, the fragile peace — once hailed as a diplomatic triumph — appears to be hanging by a thread.
