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In early 370, Wang attacked Luoyang, forcing its surrender. He then carried out a plot to try to put Murong Chui to death—as he bribed one of Murong Chui's guards Jin Xi (金熙) into giving Murong Chui's heir apparent Murong Ling (慕容令), who was serving as Wang's guide, a false message that Murong Chui had heard that Empress Dowager Kezuhun had regretted her actions and that, therefore, he was defecting back to Former Yan. Murong Ling, unable to verify either the truth or the falsehood of the message, decided to defect back to Former Yan. Wang immediately accused Murong Ling of treason, and Murong Chui, in fear, fled, but was captured, although Fu Jiān believed that Murong Ling was acting independently and therefore pardoned Murong Chui. (Historians such as Sima Guang, the author of "Zizhi Tongjian", and Bo Yang, have criticized Wang as driven by jealousy of how honored Murong Chui was by Fu Jiān, although this point is disputed by other historians.)