For this 'damage caused by the fire,' Tadayoshi's delayed arrival in Edo was forgiven, however, on August 27, 1862, it was revealed by the bakufu that the fire was self-provoked by the Satsuma clan.
この「火災被害」により、忠義は江戸出府の遅延を差し許されたが、翌文久2年8月3日幕府によって薩摩藩の自作自演であることが発覚。