Members of Thailand's People's Alliance for Democracy (PAD) parade during a rally in Bangkok on October 7, 2009. Thousands of royalist Yellow Shirt protesters gathered to commemorate the first anniversary of a violent crackdown on their protests after they stormed the main government compound. Thailand's 'Yellow Shirt' protest movement helped topple premier Thaksin Shinawatra in 2006 and occupied Bangkok's airports in 2008 to oust his allies. (Getty Images)

Members of People Alliance for Democracy (PAD) gather next to a wreath bearing photos of compatriots who died in last year's demonstration during memorial service marking the first anniversary of the rally in Bangkok, Thailand Wednesday, Oct. 7, 2009. Police fired teargas at demonstrators outside the parliament that killed two and injured nearly 200 of the PAD members during a rally on Oct. 7, 2008. (AP)