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Around the time when Liu Bei was attacking Hanzhong, Guan Yu also advanced north from Jing Province to attack Cao Cao's city of Fancheng (樊城; present-day Fancheng District, Xiangyang, Hubei), which was defended by Cao Ren. While Cao Ren managed to hold on to his position firmly, Guan Yu besieged the city, and the situation was serious enough that Cao Cao even considered moving the capital away from Xu.