Early in the morning of August 26, 2008, a large group of stick-wielding, black-shirted masked men forced their way into the studios of Bangkok's NBT television station, briefly detaining a number of staff. Once inside, they flung open the main doors, allowing several hundred more yellow-shirted protestors from the People's Alliance for Democracy (PAD) inside. Other PAD supporters occupied the grounds of the station. NBT, the channel of the government's Public Relations Department (PRD) formerly known as Channel 11, was held by the PAD for around twelve hours. During this time, rogue engineers tried unsuccessfully to channel their illegal—but wildly popular—ASTV television signal through the NBT network. Defeated by the technical challenges, the protestors gave up their occupation of NBT, returning to Government House, the office of the Thai prime minister. That same afternoon, PAD supporters had climbed the fence of Government House and occupied the compound surrounding the Italianate Khu Fa building.