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Against Sihanouk

In January 1968, the war was launched with an attack on the Bay Damran army post south of Battambang. Further attacks targeted police and soldiers and seized weaponry. The government responded with scorched-earth policies, aerially bombarding areas where rebels were active. The army's brutality aided the insurgents' cause; as the uprising spread, over 100,000 villagers joined them. In the summer, Sâr relocated his base 48 kilometres (30 mi) north to the more mountainous Naga's Tail, to avoid encroaching government troops. At this base, called K-5, he increased his dominance over the party and had his own separate encampment, staff, and guards. No outsider was allowed to meet him without an escort. He took over from Sary as the Secretary of the North East Zone. In November 1969, Sâr trekked to Hanoi to persuade the North Vietnamese government to provide direct military assistance. They refused, urging him to revert to a political struggle. In January 1970 he flew to Beijing. There, his wife began showing early signs of the chronic paranoid schizophrenia she would later be diagnosed with.