Southeast Asia bloc meets to press Thailand, Cambodia on truce

Crisis talks aimed at halting deadly border clashes between Thailand and Cambodia

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This handout photo taken and released by Agence Kampuchea Press (AKP) on December 15, 2025 shows residents evacuating following air strikes in Cambodia's Siem Reap province, amid clashes along Cambodia-Thailand border.
This handout photo taken and released by Agence Kampuchea Press (AKP) on December 15, 2025 shows residents evacuating following air strikes in Cambodia's Siem Reap province, amid clashes along Cambodia-Thailand border.
AFP

The Association of Southeast Asian (Asean) foreign ministers are set to meet Monday in Malaysia for crisis talks aimed at halting deadly border clashes between Thailand and Cambodia, which pressed on despite regional and international diplomacy.

Renewed fighting between the two neighbours this month has killed at least 22 people in Thailand and 19 in Cambodia, and displaced more than 900,000 on both sides, officials said.

Malaysia, which holds the chair of the Association of Southeast Asian Nations (ASEAN), expressed hope that the talks in Kuala Lumpur would help achieve a lasting ceasefire between the two countries, both members of the regional bloc.

"Our duty is to present the facts, but more importantly, to press upon them that it is imperative for them to secure peace," Malaysian Prime Minister Anwar Ibrahim said last week, adding that he was "cautiously optimistic".

From left, Brunei's Defense Minister Halbi bin Haji Mohd Yussof, Cambodia's Defense Minister Tea Seiha, Indonesia's Defense Minister Sjafrie Sjamsoeddin, Laos' Defense Minister Khamlieng Outhakaisone, Myanmar's Permanent Secretary of the Ministry of Foreign Affairs Aung Kyaw Moe, Malaysia's Defense Minister Mohamed Khaled Nordin, Philippine's Defense Secretary Gilberto Teodoro, Singapore's Defense Minister Chan Chun Sing, Thailand's Defense Minister Natthaphon Narkphanit, East Timor's Defense Minister Donaciano da Costa Gomes, Vietnam's Defense Minister Phan Van Giang, and ASEAN Secretary-General Kao Kim Hourn hold hands as they pose for a group photo during the opening session of the Association of Southeast Asian Nations (ASEAN) Defense Ministers' Meeting in Kuala Lumpur, Malaysia, Friday, Oct. 31, 2025.

The reignited violence shattered a fragile truce reached after five days of clashes in July, with US, Chinese and Malaysian mediation.

In October, US President Donald Trump backed a follow-on joint declaration, touting new trade deals after they agreed in Kuala Lumpur to prolong their truce.

Each side has blamed the other for instigating the clashes, claiming self-defence and trading accusations of attacks on civilians.

On Sunday, both Cambodia and Thailand said Monday's gathering could help de-escalate tensions. Both governments have confirmed they would send their top diplomats to the meeting.

Thai foreign ministry spokeswoman Maratee Nalita Andamo called it "an important opportunity for both sides".

Cambodia's foreign ministry said the talks aimed to restore "peace, stability and good neighbourly relations".

'Dialogue'

"Cambodia will reaffirm its firm position of resolving differences and disputes through all peaceful means, dialogue and diplomacy," Phnom Penh added.

Maratee reiterated Bangkok's earlier conditions for negotiations, including a demand that Cambodia be first to announce a truce, and cooperate in de-mining efforts at the border.

Those conditions, the spokeswoman told reporters, "will guide our interaction in the discussions tomorrow in Kuala Lumpur".

The Thai government gave no guarantee that the meeting would produce a truce, saying in a statement that a "ceasefire can only be achieved when it is based primarily on the Thai military's assessment of the situation on the ground".

US Secretary of State Marco Rubio said last week Washington hoped for a new ceasefire by Tuesday.

Trump, who helped broker an earlier truce, claimed this month that Thailand and Cambodia had agreed to halt the fighting.

But Bangkok denied any such truce existed, with clashes continuing for two weeks and spreading to nearly all border provinces on both sides of the frontier.

The conflict stems from a territorial dispute over the colonial-era demarcation of their 800-kilometre (500-mile) border and a smattering of ancient temple ruins situated on the frontier.