Thaksin was prime minister from 2001 to 2006, when he was ousted by a coup following protests by the anti-Thaksin People's Alliance for Democracy (PAD, "Yellow Shirts"). However, his supporters were brought back to power in a new election following the enactment of new constitution in 2007. The PAD protested against the government through most of 2008, and the ruling party was dissolved by the Constitutional Court. The opposition Democrat Party, led by Abhisit Vejjajiva, formed a government, but also faced protests by the opposing Red Shirt movement led by the United Front for Democracy Against Dictatorship. This led to a violent military crackdown in May 2010. Another Thaksin-aligned party won the election in 2011, installing his sister Yingluck Shinawatra as prime minister. Renewed anti-government protests began in November 2013, and continued until the military again staged a coup in May 2014. Coup leader Prayut Chan-o-cha took power as prime minister, and oversaw systemic suppression of political freedom before finally allowing elections in 2019 under a pro-military constitution, which reinstalled Prayut as prime minister.