 In fall 613, Yang Xuangan thus lifted the siege on Luoyang, and headed west.On the way, however, he was tempted by the people of Hongnong (弘農, in modern Sanmenxia, Henan), who opined that Hongnong would be easily captured and could be held.Further, the governor of Hongnong Commandery, Emperor Yang's cousin Yang Zhiji (楊智積) the Prince of Cai, was intentionally insulting Yang Xuangan to enrage him.