In such a situation Iwakura was attacked by Kumakichi TAKECHI and other discontent warriors from the former regime at Kuichigaizaka, Akasaka (Minato Ward, Tokyo Prefecture) (which is called the Kuichigai Incident).
そのような状況下、赤坂(東京都港区)喰違坂で岩倉が不平士族の武市熊吉らに襲撃される事件（喰違の変）が発生。