Due to the Incident, the Gonbei YAMAMOTO cabinet resigned en masse, Tokyo Metropolitan Police Commissioner Kurahei YUASA and Director of Police Administration of Tokyo Metropolitan Police Department Matsutaro SHORIKI were given a dishonorable discharge, and the governor of Yamaguchi Prefecture, where Nanba was born, was reprimanded with a pay cut for two months.
この事件により、山本権兵衛内閣は総辞職、警視総監・湯浅倉平、警視庁警務部長・正力松太郎らが懲戒免職、難波の出身地である山口県の知事が2ヶ月間の減給となった。