Thailand's military said on Monday that it has stopped fuel shipments passing through a border checkpoint with Laos because of fears they were being diverted to Cambodia, with which it is fighting a fierce border conflict.

Thailand is stepping up efforts to inspect domestic shipping vessels in a bid to prevent fuel and military supplies being diverted to Cambodia as the border tension between the two nations persists.

Fighting between the Southeast Asian countries has been some of the most intense since a five-day battle in July that ended with a ceasefire pushed by Trump.

Thailand said it’s taking steps to restrict exports of fuel and arms through a checkpoint with Laos on fears the goods are being diverted to Cambodia as the border clash between the two countries intensifies.

The two sides are battling over longstanding competing claims to patches of frontier land, some of which contain centuries-old temple ruins.

Jenni Lipa, 76, leads the Cambodian Community Dream Organization (CCDO), providing clean water, education, and microloans to 200,000 people, showcasing the crucial role of NGOs in Cambodia.