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. Earlier this month, Thailand terminated a 2001 memorandum of understanding (MOU) with Cambodi