Questions remain over the ability of Yingluck's government to maintain order in the capital and weather the heavy political pressure in Parliament. Some observers are concerned that government supporters, tens of thousands of whom rallied in Bangkok on Sunday, could clash with opposition demonstrators.
Yingluck has said authorities would "absolutely not use violence" to disperse the demonstrators.
Even if Yingluck survives the "no confidence" motion against her, the situation appears unlikely to calm down soon.