text:  It is uncertain who or what actually caused the fire — whether accident or <unk> . <unk> and <unk> <unk> favor <unk> as the <unk> , so he could build a palatial complex . <unk> mentions that Christians confessed to the crime , but it is not known whether these <unk> were induced by torture . However , accidental fires were common in ancient Rome . In fact , Rome suffered other large fires in 69 and in 80 . 
  