A recent theory has proposed that when YOSHIDA, who was at the Lord of Choshu's Kyoto mansion, heard about the incident from someone who had managed to escape, he headed to the Ikedaya but encountered a large force of soldiers from Aizu Domain and died in the ensuing battle.
最近の説では、長州藩邸に戻っていた吉田が脱出者から異変を聞き、池田屋に向かおうとするも加賀藩邸前で会津藩兵多数に遭遇し討ち死にした、とされている。