CBRN event in Thailand on Thu 18th September 2025

18th September 2025

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BANGKOK, Sept 18 (Reuters) - Thai police fired tear gas and rubber bullets at Cambodian civilians in a disputed border area on Wednesday, authorities in both countries said, the most significant escalation since they declared a ceasefire to end a deadly five-day conflict in July.

At least 23 Cambodians were injured in the incident, according to Cambodian authorities, while Thailand's military said an unspecified number of Thai officials had also sustained injuries. The clash took place at a disputed frontier settlement, which Thailand says is part of its Ban Nong Ya Kaew village in Sa Kaeo province, but Cambodia says is part of Prey Chan village in Bantheay Meanchey province.

Thai authorities erected barbed wire fences in the area last month and for weeks there have been protests by civilians from both sides of the border.

Thailand and Cambodia have for more than a century contested sovereignty at various undemarcated points along their 817 km (508 miles) land border, which was first mapped by France in 1907 when Cambodia was its colony.

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Thailand (THA)

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