 It was said that for the next several years, Li Keyong fought continuously for control of Zhaoyi's other prefectures, such that the circuit was laid to waste.Meanwhile, although Huang Chao had withdrawn from the Chang'an region and fled east, he still had a powerful army.Threatened by Huang, three Tang military governors south of the Yellow River—Zhou Ji the military governor of Zhongwu, Shi Pu the military governor of Ganhua Circuit (感化, headquartered in modern Xuzhou), and Zhu Quanzhong the military governor of Xuanwu Circuit (宣武, headquartered in modern Kaifeng, Henan)—jointly sought aid from Li Keyong.