February : The Prime Minister increases internal security measures . Protest leaders are calling for an end to the government of Yingluck , sister of former premier Thaksin Shinawatra , the telecommunications tycoon who was ousted in a 2006 coup . Anti - government protesters in Thailand have marched on government offices . Sunday 's 100,000 turnout was Thailand 's biggest protest since deadly 2010 stand - off . They allege former PM Thaksin Shinawatra exerts power through current premier , his sister .
February : The Prime Minister increases internal security measures . Anti - government protesters in Thailand have marched on government offices . Sunday 's 100,000 turnout was Thailand 's biggest protest since deadly 2010 stand - off . They allege former PM Thaksin Shinawatra exerts power through current premier , his sister .