 King Gojong was expected to attend together with several foreign diplomats and high-ranking officials, most of whom were members of the pro-Chinese "Sadaedang" faction.Kim Ok-gyun and his comrades approached King Gojong falsely stating that Chinese troops had created a disturbance and escorted him to the small Gyoengu Palace, where they placed him in the custody of Japanese legation guards.They then proceeded to kill and wound several senior officials of the "Sadaedang" faction.