Trump witnesses Thailand, Cambodia sign peace expansion months after brokering ceasefire

Cambodia and Thailand signed on Sunday an extension of the ceasefire negotiated by US President Donald Trump over the summer to end their border conflict.

Trump threatened both countries with higher tariffs to persuade them to end the fighting. The conflict killed dozens of people and displaced hundreds of thousands.

The president watched as Cambodian Prime Minister Hun Manet and Thai Prime Minister Anutin Charnvirakul signed the expanded ceasefire at the annual summit of the Association of Southeast Asian Nations.

Cambodia and Thailand signed on Sunday an extension of the ceasefire brokered by US President Donald Trump over the summer. (Anna Moneymaker/Getty Images)

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The agreement calls for Thailand to release 18 captured Cambodian soldiers and for both countries to begin removing heavy weapons from the border.

The Associated Press contributed to this report.