is well known for taking on mafias including those in the police, and Chaiwat Changkaokam, then the head of Tambon Chanchawa who was the key witness to Yongyuth Tiyapairat's alleged vote buying. Demonstrations and street protests by PAD restarted on May 25, 2008 at Democracy Monument on Ratchadamnoen Road. The PAD supporters amassed to protest against the proposed constitutional amendments. The rally attracted ten thousand supporters. However pro-government supporters gathering nearby started attacking PAD protesters. The clash was the first between the two groups, and many were wounded on both sides. The plan was to march the supporters from Democracy Monument to the front of Government House. However, the crowd was stopped by a large police barrier at Makkhawan Rangsan Bridge. PAD settled at Makkhawan Rangsan Bridge and staged continuous rally there. As the rally went on, the PAD announced their effort to collect signatures to request the removal of members of the House of Representatives and Senators who supported the amendment on May 30, 2008. The next day Samak expressed on government-run NBT television channel his intention to dissolve the rally by force. In reaction to Samak's speech, the PAD issued announcements against the government's move. Preah Vihear issue PAD opposed Noppadon Pattama's move to allow Cambodia to singly apply Preah Vihear Temple as World Heritage Site. As it lies near the Thai-Cambodia border with land surrounding the temple still under dispute, many scholars feared Thailand would lose sovereignty over the land surrounding the site and preferred the site to be listed jointly between Cambodia and Thailand. It is also claimed that the hidden motive behind them was to exchange for oil and gas concessions to Chevron. Noppadon proceeded to sign the Thai-Cambodia Joint Communique on June 18, 2008. Thailand Administrative court issue injunction against the action on June 28 and them found the agreement to be unconstitutional on July 8, 2008. However, UNESCO awarded World Heritage Site to Cambodia later on the same day. Moving the PAD stage On June 20, 2008 PAD and supporters made through police blockades and successfully gathered in front of Government House, an effort to pressure the government to resign. Both police and PAD declared victory as violence was avoided. However, the Prime Minister was not pleased. The new PAD stage blocked Phitsanulok and Rama V roads, causing inconvenience to schools in the area. Other problems include loud speaker noise. Teachers and parents