Cambodia–Thailand crisis widens with border closures, trade retaliation and political upheaval

By Kamille Q. Cabreza

Relations between Cambodia and Thailand have worsened considerably since a deadly border conflict on May 28, prompting both countries to introduce strict border controls, impose retaliatory trade bans, and utilise political maneuvers – amid alerts from the Association of Southeast Asian Nations observers that the turmoil could threaten regional stability.

Military seals border after fatal clash

On May 28, a short armed clash close to the contested border resulted in the death of a Cambodian soldier, leading to reciprocal escalations. 

In reaction, Thailand directed its military and naval forces to shut down all seven land border crossings across five to seven provinces – Ubon Ratchathani, Sa Kaeo, Si Sa Ket, Surin, Buriram, Chanthaburi and Trat – permitting only certain humanitarian crossings for students and medical emergencies. 

Under this regulation, no vehicles are allowed to cross the border. 

The movement of Thai nationals, foreign individuals, tourists, and all forms of trade is not permitted, according to a report from the Bangkok Post.

The military allows border crossings solely for humanitarian purposes, which include urgent medical cases, students and essential activities for daily living, based on the approval of local military authorities.

The action aligned with the government’s strategies regarding national security and the ongoing issues with Cambodia, which have escalated in political, diplomatic, and military dimensions. 

The heightened measure also aided efforts to address call center and hybrid scam operations that have significantly impacted the people of Thailand.

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Cambodia strikes back with energy and cultural measures

Cambodia reacted by halting imports of Thai fuel, gas, electricity, and television shows – measures aimed at exerting pressure and expressing dissatisfaction.

Phnom Penh also avoided utilising Thai internet services and stopped agricultural imports, exacerbating the economic effects.

Besides the cultural freeze, Cambodia has banned the broadcasting of Thai TV dramas and films domestically, deepening the divide between the two countries.

Officials in Bangkok claim that the recent measures are not just a political response but also a calculated strategy to tackle rising concerns about illegal activities stemming from Cambodia, according to a report from Travel and Tour World.

Thailand’s military officials have accused international scam networks – many reportedly operating from Cambodian territory – of exploiting border vulnerabilities and online platforms to trick and trap victims, including foreign tourists.

ASEAN’s diplomacy based on consensus has so far not been able to contain the crisis. 

Political fallout rocks Thailand’s government

Prime Minister Paetongtarn Shinawatra is under fire. 

A leaked phone call with Cambodia’s former strongman Hun Sen, in which she appeared to demean a Thai military commander, fueled domestic outrage. 

During the call, Paetongtarn seemed to hold Thailand’s military accountable for escalating the conflict, which started last month and led to the death of one Cambodian soldier. 

She is also charged with adopting a conciliatory approach that undermined Thailand’s national interests, according to a related report from the Financial Times.

The scandal prompted the Bhumjaithai Party to withdraw from her coalition, jeopardising her majority, triggering protests, and triggering threats of cabinet resignations and a court probe.

Amid strained diplomatic relationships, closed borders affecting tourism and commerce, and Thailand’s unstable government, both countries encounter increasing domestic and global pressure to reduce tensions.

Observers are concerned that the worsening crisis – involving nationalist feelings, cybercrime, political turmoil, and lingering colonial-era border conflicts – might irreparably harm bilateral trust and challenge ASEAN’s significance.

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