The Emperor Ninmyo arrested TOMO no Kowamine, TACHIBANA no Hayanari and the alleged conspirators on August 30, two days after the retired emperor's death, directing the Rokuefu (six divisions assuming the guard duty of palace) to strengthen the security of Heian-kyo (the ancient capital of Japan in current Kyoto).
その2日後の17日、仁明天皇は伴健岑と橘逸勢、その一味とみなされるものを逮捕し、六衛府に命じて平安京の警備を厳戒させた。