Which national capital was in news for protests by activists of United Front for Democracy against Dictatorship (UDD) also known as 'Red Shirts' demanding resignation of the Prime Minister?

Thailand's Prime Minister Abhisit Vejjajiva on May 19, 2010 announced full control of the situation after crushing a two-month protest and imposing an overnight curfew in the capital, Bangkok, and over 20 provinces. The protest movement is led by the United Front for Democracy against Dictatorship (UDD) which is a group of loyalists (Red Shirts) of Thaksin Shinawatra, who was deposed in a military coup in 2006 and is now living in self-imposed exile. The Red Shirt protesters have been demanding immediate dissolution of the House of Representatives and a new general election.