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After the death of Emperor Ling in 189, He Jin and Yuan Shao plotted to eliminate the eunuch faction, but Empress Dowager He was against their idea. He Jin then summoned Dong Zhuo to lead troops into the imperial capital, Luoyang, to pressure the empress dowager. The eunuchs became fearful and they forged an edict in the empress dowager's name, summoning He Jin into the inner palace. Yuan Shao cautioned He Jin, reminding him that he should order an attack on the eunuchs instead of entering the palace. After He Jin refused to accept his advice thrice, Yuan Shao and Yuan Shu led 200 elite troops to wait outside. On 22 September 189, inside the palace, He Jin was ambushed and assassinated by the eunuchs, who tossed his severed head over the wall. He Jin's angered followers set fire to the palace and charged in, slaughtering every person (except females) without facial hair; to the extreme that many young men without facial hair had to show their genitals to avoid being mistaken for eunuchs and killed. Over 2,000 people were killed in the massacre, while the young Emperor Shao and Prince of Chenliu (future Emperor Xian) escaped during the chaos. The resulting power vacuum provided Dong Zhuo, who found and rescued the emperor and prince, with an opportunity to seize control of the imperial capital when he arrived.