 He ceremonially danced toward the east (in a sign of respect to the emperor) and stated that he was exercising authority on the emperor's behalf, under the precedents of Li Sheng and Zheng Tian.In 907, Zhu Quanzhong (who had changed his name to Zhu Huang by that point) forced Emperor Ai to yield the throne to him, ending Tang and establishing a new Later Liang.Most of the circuit governors in the former Tang emperor, whether actually under Zhu's authority or not, recognized Zhu as the new emperor, with the exceptions of Wang, Li Keyong (the Prince of Jin), Li Maozhen (the Prince of Qi), and Yang Xingmi's son and successor Yang Wo (the Prince of Hongnong).