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Tens of thousands of anti-government protesters brought central Bangkok to a halt Sunday demanding political reform, Prime Minister Yingluck Shinawatra's resignation, and postponement of February's national elections.
Street protesters have been demanding for weeks that caretaker Prime Minister Yingluck step down before February 2 elections.
The prime minister says after the election a national reform council would be set up to work towards widespread reforms. Protesters say the reforms should occur before an election.
Saturday, the main opposition Democrat Party announced a boycott of elections until reforms are implemented.
Ms. Yingluck dissolved parliament on December 9 and called the snap poll in an attempt to defuse tensions, but opposition against her remains strong.