警方怀疑这栋大楼被烧毁是有人故意纵火。
The police suspect that the building was destroyed by ___arson.
最近几起纵火案给社区带来了恐慌。
The recent ___arsons have caused panic in the neighborhood.
他因为了骗取保险金而纵火被捕。
He was arrested for committing ___arson to claim insurance money.