In fall 902, Xu along with Xu Zaisi (許再思) rebelled against Qian, put Qian's home base
Hang Prefecture under siege, and with the support of opportunist warlord
Tian Jun almost destroyed Qian. Qian had to send a son to rival warlord
Yang Xingmi as hostage in exchange for military assistance. Yang agreed, and Yang's general
Li Shenfu defeated and captured Xu. Xu was delivered to Qian, who executed him. ==References==