Thousands of pro and anti-government protesters have clashed violently in Bangkok, leaving dozens wounded and one person reported dead.
Thailand's police chief has called in army reinforcements to help quell the unrest, which occurred early today when groups of protesters calling for the prime minister's resignation clashed with government supporters.
The violence has occurred not far from where about 15,000 demonstrators have been besieging Government House, demanding that Prime Minister Samak Sundaravej step down.
The activists accuse Samak of acting as a puppet for ousted Prime Minister Thaksin Shinawatra, who now lives in exile in Britain after the same protest group helped topple his government in 2006.