 The first Nationalist troops entered the city the next day.As the Communists attempted to install a soviet municipal government, conflict began between the Nationalists and Communists, and on 12 April Nationalist forces, including both members of the Green Gang and soldiers under the command of Nationalist general Bai Chongxi attacked the Communists and quickly overcame them.On the eve of the Nationalist attack, Wang Shouhua, who was both the head of the CCP Labour Committee and the Chairman of the General Labour Committee, accepted a dinner invitation from "Big-eared Du" (a Shanghai gangster) and was strangled after he arrived.