A Thai anti-government protester participates in a rally in entral Bangkok, Thailand, May 15, 2014. Thai Army Chief Prayuth Chan-ocha warned Thursday that the military might use "full force" to maintain law and order during the country's ongoing political crisis, a media report said. (Xinhua/Lui Sui Wai)

Thai anti-government protesters participate in a rally in entral Bangkok, Thailand, May 15, 2014. Thai Army Chief Prayuth Chan-ocha warned Thursday that the military might use "full force" to maintain law and order during the country's ongoing political crisis, a media report said. (Xinhua/Lui Sui Wai)

Thai anti-government protesters participate in a rally in entral Bangkok, Thailand, May 15, 2014. Thai Army Chief Prayuth Chan-ocha warned Thursday that the military might use "full force" to maintain law and order during the country's ongoing political crisis, a media report said. (Xinhua/Lui Sui Wai)

Thai anti-government protesters participate in a rally in entral Bangkok, Thailand, May 15, 2014. Thai Army Chief Prayuth Chan-ocha warned Thursday that the military might use "full force" to maintain law and order during the country's ongoing political crisis, a media report said. (Xinhua/Lui Sui Wai)

Suthep Thuagsuban, leader of the anti-government protesters, attends a rally in entral Bangkok, Thailand, May 15, 2014. Thai Army Chief Prayuth Chan-ocha warned Thursday that the military might use "full force" to maintain law and order during the country's ongoing political crisis, a media report said. (Xinhua/Lui Sui Wai)