On Tuesday night he called for establishment of a "people's council" to pick a new prime minister and Cabinet. Thailand currently has a parliamentary system under a constitutional monarchy.
His proposal is similar to that promoted in 2008 by the anti-Thaksin Yellow Shirts the People's Alliance for Democracy. They sought to have fewer lawmakers directly elected and more appointed by the country's political elite.
Q: What are the protesters' tactics?
A: After some large demonstrations, the protesters, closely linked to the opposition Democrat Party, have taken over several government offices this week. The tactic is similar to those used in past protests in which Thaksin foes took over the prime minister's office and even Bangkok's two airports.
The tactics pose a challenge to authorities who risk losing face and the control of the situation by allowing offices to be occupied, but risk alienating public opinion if they use force to dislodge the protesters. Police have made a massive show of force around critical would-be targets, but protesters have entered more poorly guarded offices.
The Democrats, meanwhile, are leading a no-confidence debate in parliament this week and are petitioning the courts and independent state agencies to have ruling party lawmakers ousted for alleged violations of the law.
Some elements probably hope that the situation becomes chaotic enough to serve as an excuse for the army to intervene, as happened in 2006.
Q: Is it safe to visit Thailand?
A: Popular resort areas have not been affected. Visitors should avoid protest areas. The Thai Foreign Ministry said Tuesday that 23 countries, most of them European, have issued travel warnings or notices about the political situation.
Q: What are the protesters' complaints?
A: They accuse Yingluck's government of corruption and abuse the power.
Yingluck and her Pheu Thai Party won an absolute majority in the 2011 election, and have used their position to railroad several measures through parliament, shortcutting ethical and legal procedures.
Corruption has been a problem under every Thai government. Thaksin, a billionaire who owned a telecommunications empire, was ensnared in several conflict of interest accusations. Criticism of Yingluck has focused less on personal corruption and more on her policies, including her support of a broad amnesty bill that would have allowed Thaksin to return to Thailand without serving jail time.
Q: What's behind the long-running political conflict?
A: Thaksin remains popular in Thailand's less well-off rural areas, where voters were grateful for populist programs he instituted, such as virtually free health care. Pro-Thaksin parties easily won the two general elections held since the 2006 coup. But his opponents still have influence, particularly in the courts and the military.
Thaksin's supporters claim that Thailand's traditional ruling elite oppose him because they risk losing influence to a popularly elected leader. Thaksin's foes have suggested that the democratic system is flawed and that the elite should have a greater say in administering the country. They are uneasy at what will happen when 85-year-old King Bhumibol leaves the scene.
