They clashed with armies of the bakufu, Aizu, and Satsuma, who were defending Kyoto, and a battle extending to the Imperial Palace developed (the Kinmon incident).
京都守備に当たっていた幕府や会津・薩摩軍と激突し、御所周辺を巻き込んだ合戦が行われた（禁門の変参照）。