A Thai soldier stands guard outside a polling station during the constitutional referendum in Thailand's restive southern Yala province, 19 August. Thais went to the polls to vote on a new constitution proposed by the ruling junta, in a crucial first electoral test for the generals who led last September's bloodless coup.(AFP/Muhammad Sabri)

Thailand's Prime Minister Surayud Chulanont casts his ballot at a polling station in Bangkok August 19, 2007. Thais voted on Sunday in a referendum on a military-drafted constitution analysts say is aimed at preventing a repeat of the Thaksin Shinawatra era, a single party government led by a charismatic politician. REUTERS/Chaiwat Subprasom (THAILAND)