Thailand and Cambodia are bickering over their borders again. Can diplomacy prevent a return to war?

Koh Kut island in the Gulf of Thailand, at the centre of a border dispute between Thailand and Cambodia. Wikimedia Commons

Last year, Thailand and Cambodia fought two brief conflicts over their 800-kilometre-long land border that killed dozens of people and forced a half million people to flee their homes.

Now, tensions are escalating again between the neighbours, this time over their maritime border.