Anti-government protester sleep at Suvarnabhumi International Airport in Bangkok, Thailand, early Wednesday, Nov. 26, 2008 after besieging the airport. Outbound flights at the airport were temporarily suspended at 9 p.m. Tuesday, authorities said, shortly before hundreds of demonstrators - some masked and armed with metal rods - broke through police lines and spilled into the passenger terminal. Airport manager Serirat Prasutanon said airport authorities had tried to negotiate with the protesters "but to no avail. " "For the safety for passengers, we have to stop flights out of the airport temporarily until the situation returns to normal," he said in a statement, adding that incoming flights were still operating. The anti-government protesters are demanding the resignation of Prime Minister Somchai Wongsawat.