noun
fire in one's own home
Refers specifically to a fire that breaks out in one's own residence, as opposed to a fire elsewhere. Often used in contexts like fire insurance or news reports.
自火による損害は保険でカバーされる。
Damage caused by a fire in one's own home is covered by insurance.
昨夜、隣町で自火が発生し、住宅一棟が全焼した。
Last night, a fire broke out in a home in the neighboring town, completely destroying one house.