Thaksin left, ending a contentious four-day visit that deepened a diplomatic crisis between the neighbours

Cambodian Prime Minister Hun Sen (C) is greeted by Thai parliamentarians while seeing off Thai fugitive former premier Thaksin Shinawatra before he left Cambodia, at a hotel in Siem Reap, 320 km (199 miles) south-west of Phnom Penh, November 14, 2009. REUTERS/Chor Sokunthea (CAAI News Media)

Thailand's fugitive former premier Thaksin Shinawatra is greeted by Thai parliamentarians before leaving Cambodia, at a hotel in Siem Reap, 320 km (199 miles) south-west of Phnom Penh, November 14, 2009. REUTERS/Chor Sokunthea (CAAI News Media)

Cambodian Prime Minister Hun Sen (R) sees off Thailand's fugitive former premier Thaksin Shinawatra before he leaves Cambodia, at a hotel in Siem Reap, 320 km (199 miles) south-west of Phnom Penh, November 14, 2009. REUTERS/Chor Sokunthea (CAAI News Media)

Cambodian Prime Minister Hun Sen (R) holds hands with Thailand's fugitive former premier Thaksin Shinawatra, before Thaksin leaves Cambodia, at a hotel in Siem Reap, 320 km (199 miles) south-west of Phnom Penh, November 14, 2009. REUTERS/Chor Sokunthea (CAAI News Media)

Former Thai prime minister Thaksin Shinawatra (left) shakes hands with Cambodia's secretary of state council minister Prak Sokhon as he prepares to board a plane to leave Cambodia from Siem Reap International airport. Thaksin, who was toppled in a military coup in 2006 and is living abroad to avoid a jail term for corruption in Thailand, departed Cambodia by private jet.(AFP/Tang Chhin Sothy) (CAAI News Media)

Thai members of parliament from the pro-Thaksin party, Puea Thai, who travelled to Cambodia to meet the billionaire tycoon, wave off former Thai prime minister Thaksin Shinawatra as he leaves Cambodia from Siem Reap International airport. Thaksin left, ending a contentious four-day visit that deepened a diplomatic crisis between the neighbours. (AFP/Tang Chhin Sothy) (CAAI News Media)

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In this photo taken on Friday Nov. 13, 2009, Thailand's former Prime Minister Thaksin Shinawatra, left, talks with Hun Sen, Cambodian prime minister as they play golf at a golf course in Siem Reap, north of Phnom Penh, Cambodia. Thaksin on Saturday, Nov. 14, 2009, has left Cambodia after a few day of his private tour to Cambodia, government official said. (AP Photo/Heng Sinith) (CAAI News Media)