Some observers are concerned that government supporters , tens of thousands of whom rallied in Bangkok on Sunday , could clash with opposition demonstrators . At the heart of the unrest is the polarizing figure of Thaksin Shinawatra . His sister is now prime minister , and critics say she 's his puppet . The protests have been largely peaceful so far but there are reports that police fired tear gas at protesters in Bangkok on Sunday night after they threw rocks at a government building. Protesters say they wo n't stop until `` Thaksin 's regime is wiped out ''
At the heart of the unrest is the polarizing figure of Thaksin Shinawatra . His sister is now prime minister , and critics say she 's his puppet . The protests have been largely peaceful so far but there are reports that police fired tear gas at protesters in Bangkok on Sunday night after they threw rocks at a government building. Protesters say they wo n't stop until `` Thaksin 's regime is wiped out ''