He brooked no trouble from local Communists. When Pracheachon Group newspapers attacked him in 1959, he summarily shut them down, asserting they were run from Hanoi. In 1962, he complained of the Communists in Cambodia's northeast, disclosed the existence of a "spy network" directed by North Vietnam,* and broke up the Pracheachon, arresting 15 of its leaders. This made his Sangkum Party the only functioning Cambodian political organization left in the country..