Protesters in Bangkok are not giving up in their bid to overthrow Prime Minister Yingluck Shinawatra.<br/> <br />Since early this week, protest leaders have called on them to occupy key government offices.<br/> <br />On Saturday, thousands rallied towards the Department of Special Investigations, forcing their way into the compound.<br/> <br />Throughout the demonstrations, protesters have been blowing whistles to symbolise their frustration<br/> <br />Later they trooped to the office of the state-owned telecommunications company.<br/> <br />The prime minister said adequate security measures were in place, and appealed to protesters to return to negotiations.<br/> <br />(SOUNDBITE) (Thai) YINGLUCK SHINAWATRA, THAI PRIME MINISTER SAYING:<br/> <br />"This government chose to be called weak and has tried to avoid violence rather than put down a deadline and ask for the areas (overtaken by protesters) to be given back through violence. This would only hurt the people."<br/> <br />The protesters are accusing Yingluck of pushing f
