We often hear people talk about Khmer rouge genocide, but rarely about The Khmer rouge attacks in Vietnam (1977-1978). So in one night of 1977, they, with extremist Khmers krom - Khmer sérei cooperation, attacked and killed 3157 civilians in Ba Chuc village, An Giang (7 km in the south of Takeo province border). Many Cambodians evacuated from Kampot, Ton Hon, Kompong Trach were killed at this moment too. Khmers rouges and Khmers krom extremists did same killing fields in Ha Tien (Take a look at video in youtube "Cambodge, année néant 2/6".