Escalating Tensions: Fighting Between Thailand, Cambodia Across Contested Border Enters Fourth Day

As intense fighting between Thailand and Cambodia enters its fourth day, learn about rising casualties, mutual accusations of international law violations, and diplomatic efforts to de-escalate the volatile border conflict.

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Escalating Tensions: Fighting Between Thailand, Cambodia Across Contested Border Enters Fourth Day

Dec 11, 2025

Renewed Violence Grips Thai-Cambodian Border for Fourth Day

A volatile standoff between Thailand and Cambodia has intensified, with renewedfighting between Thailand and Cambodia across their contested border entering its fourth day. This escalating conflict has resulted in a tragic loss of life, widespread displacement, and a mounting humanitarian crisis, prompting mutual accusations of international law violations as both nations await a promised phone call from United States President Donald Trump.

The current hostilities mark a severe deterioration in relations along the shared 817-kilometer (508-mile) colonial-era demarcation line, which has long been a flashpoint. Despite a ceasefire brokered by Trump just months prior, the fragile peace has shattered, pushing thousands from their homes and drawing global attention to the simmering tensions in Southeast Asia.

Mounting Casualties and Grave Accusations

The human cost of the renewed conflict is tragically evident. On the Thai side, the military has confirmed the deaths of three civilians, marking the first non-military fatalities since the fighting resumed. Additionally, eight Thai soldiers have been killed, and 80 more sustained injuries this week.

Across the border, Cambodia's Ministry of the Interior reported a grim toll of 10 civilian deaths as of Wednesday, including one infant, with 60 people wounded. These figures underscore the indiscriminate nature of the clashes and the profound impact on local communities.

Allegations of International Law Violations Intensify

Both nations have lodged serious accusations against each other, alleging breaches of international humanitarian law. Cambodia's Ministry of National Defence accused Thai forces of initiating numerous attacks deep within Cambodian territory early Thursday, reportedly deploying tanks and artillery to strike targets in Pursat, Banteay Meanchey, and Oddar Meanchey provinces.

In a particularly damning accusation, the Cambodian ministry alleged that Thai soldiers deliberately fired upon civilians in Prey Chan village, Banteay Meanchey. Further claims included the shelling of the "Khnar Temple area" and artillery fire into the O’Smach area. Phnom Penh urged an immediate cessation of hostile activities and a withdrawal of Thai forces, emphasizing the need to preserve regional peace and stability.

Conversely, the Thai army vehemently denied targeting civilians, countering that Cambodia had "intentionally" utilized historical sites as "military bases of operations," thereby violating international law. Thailand asserted its actions were necessary retaliations against such infringements.

A Border on Edge: Widespread Combat and Displacement

Wednesday saw intense clashes erupt at over a dozen locations along the disputed border, with reports indicating some of the most severe fighting since a five-day battle in July that claimed dozens of lives. Cambodia's Ministry of the Interior detailed extensive damage, including homes, schools, roads, Buddhist pagodas, and ancient temples, attributing it to "Thailand’s intensified shelling and F-16 air strikes targeting villages and civilian population centres up to 30km (18.6 miles) inside Cambodian territory." The destruction of revered sites like Ta Krabey and Preah Vihear temples, recognized as world cultural heritage, drew particular condemnation.

The broader impact has been staggering, with over 500,000 Thai and Cambodian civilians forced to flee their homes in border areas since the conflict reignited on Monday. The violence has now spread across five provinces in both countries, according to AFP news agency.

Humanitarian Crisis Unfolds Amidst the Conflict

The displacement has triggered a significant humanitarian challenge. Al Jazeera’s Barnaby Lo, reporting from an evacuation camp in Preah Vihear on the Cambodian side, highlighted that over 5,600 people had sought refuge there, a stark indicator that the fighting shows no signs of abatement. While aid distribution is underway and facilities are relatively better than some other camps, the emotional and practical toll on evacuees is immense.

Vann Saroeut, an evacuee, voiced concerns about the profound impact on mental health, stating, "They cannot make a living and are not eating enough." Another, Horn Hang, lamented, "My children cannot study properly because the environment here is not conducive; it is also affecting their health."

Meanwhile, Al Jazeera’s Rob McBride, reporting from Surin province in Thailand, described frequent artillery fire and recounted needing to take cover from nearby shelling and surveillance drones. The prevalence of attack and surveillance drones is a growing concern for both sides, adding another layer of danger to the already perilous situation.

Diplomatic Hopes Rest on Trump’s Intervention

Against this backdrop of escalating violence, diplomatic efforts are gaining urgency. It was only on October 26 that Donald Trump oversaw the signing of a ceasefire between the two Southeast Asian nations in Kuala Lumpur, Malaysia, a deal he hailed as achieving "something that a lot of people said couldn’t be done."

Optimistic about securing another peace deal, Trump told reporters on Wednesday, "I think I can get them to stop fighting." He added, "I think I’m scheduled to speak to them tomorrow," indicating a renewed push for mediation. The international community watches closely, hoping that diplomatic intervention can swiftly de-escalate the brutal conflict and bring peace back to the contested border region.

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