 Meanwhile, Li Kuangwei and Helian attacked Hedong from the north and had initial successes, capturing Yu Prefecture and Zhelu Base, but a counterattack by Li Keyong's adoptive sons Li Cunxin and Li Siyuan subsequently defeated Helian and Li Kuangwei, and they withdrew in fall 890 as well.In winter 890, Li Keyong's main forces prepared for a confrontation with the imperial and western circuits' troops at Yindi Pass.Han Jian the military governor of Zhenguo Circuit (鎮國, headquartered in modern Weinan) tried to ambush Li Cunxiao, but was defeated by Li Cunxiao.