 He also deployed Viet Minh forces against non-communist nationalist troops in the suburbs of Hanoi, and had their leaders arrested, imprisoned, or killed.During this period he also began a relationship with a famous and beautiful dancer, Thuong Huyen, and was seen in public with her at nightclubs.This conduct caused serious concern in the upper ranks of the Party as it was contrary to the very strict and abstemious moral code by which all members were expected to abide.