The negotiation between Thailand' s Prime Minister Abhisit Vejjajiva and three anti-government core leaders has started late Sunday afternoon in capital Bangkok. The negotiation takes place at King Prajadhipok's Institute. The government's side includes Prime Minister Abhisit, Prime Minister's Secretary-general Korbsak Sabhavasu and ruling Democrat Party Deputy Secretary- general Chamni Sakdiset. On the red-shirted side, three core leaders of Veera Musikapong, Jatuporn Prompan and Weng Thojirakarn attend the negotiation. 