For many of us, Cambodia has long been synonymous with tragedy, and the genocidal Khmer Rouge regime, which killed between 1.5 and 3 million Cambodians. 

But, underneath our noses, Cambodia has more recently been roiling from tension with its neighbours. And when a military standoff recently led to the death of a Cambodian soldier, it set off an unexpected chain of political fallout.

Today, southeast Asia correspondent Zach Hope, on what happened to Suon Roun on a contested mountain top. And why it just may bring down the Thai prime minister.

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