infiltrated four hamlets in Thanh Binh district, Quảng Nam Province, killing two civilians and abducting six, including an inter-family chief. September 1: VC explosives blasted six craters in National Route 4 in Dinh Tuong Province, stopping all vehicular traffic except an ARVN ambulance bus which ran over a pressure mine, killing 13 passengers, injuring 23. September 3: Shortly after polls open in Tuy Hòa the VC detonated a bomb hidden in a polling place. Three voters were killed and 42 wounded. Election morning attacks, including long-range shellings, claimed 48 lives. November 8: The Ky Chanh refugee center in Quảng Tín Province was infiltrated by VC who killed four persons, wounded nine others and kidnapped nine more; they also set fire to the camp's school. December 5: in the Đắk Sơn massacre two VC battalions attacked Đắk Sơn village and killed 114 to 252 Montagnard villagers. December 14: Bui Quang San, a member of South Vietnam's lower house, was gunned down in his home near Saigon. Two days before his death, San told friends of receiving a letter from the VC threatening his life. His mother, first wife and six children were killed in an earlier VC raid in Hội An. Saigon reported a total of 232 civilians killed by acts of terrorism in one week. December 16: During the intermission at a classical drama at the University of Saigon, a VC appeared on stage and began a propaganda speech. A student attempted to climb to the stage and was shot in the stomach. Two other students were shot in the melee that follows. 1968 January 20: A VC armed propaganda team entered Tam Quan, Bình Định Province, gathered 100 people for a propaganda session; one prominent village elder objected and was shot to death. January 31 - February 28: in the Massacre at Huế the VC killed between 2,800 and 6,000 captured soldiers, Government officials and civilians. April 6: A VC group entered That Vinh Dong, Tây Ninh Province; they sold several thousand piasters worth of "war bonds" and then departed, taking with them a school teacher, the hamlet chief's two daughters and nephew and six other males aged 15 or 16. May 5 - June 22: some 417 rockets were fired indiscriminately into Saigon, chiefly in the densely-populated Fourth District killing 115 and wounding 528. May 29: A VC unit stopped all traffic on Route 155 in Vĩnh Bình