火元不明の火事の英語

a fire with a suspicious origin

an outbreak of fire

a house where a fire breaks out

the origin of a fire

a fire that was caused by accident

a fire caused by lightning

a disaster caused by an act of arson

The cause of the fire is unknown.

a fire hazard

The fire was caused by leakage of electricity.

pertaining to a recent fire

a person who watches for fires

a distant fire

a fire in a neighborhood

The fire must be a case of incendiarism―due to incendiarism.

a suspected case of arson

a fire

the action of paying a visit to a neighbor in order to express one's sympathy after there has been a damaging fire in the neighborhood

place where a fire has occured

accidental fire

a house on fire

die in the fire

an inquiry on the occasion of a fire

to be destroyed by fire

a fire-alarm

fire prevention

A fire has broken out.

There's a possibility of fire

suffering caused by a fire

to inquire into the cause of the fire