After sending investigators to the scene we can now confirm that it was the result of an accidental fire.

在派出调查人员到现场后，我们现在可以确定事故是因为意外失火致使的。

youdao

The Paris prosecutor's office has opened an inquiry into "involuntary destruction by fire" indicating they believe the cause of the blaze was accidental rather than criminal.

巴黎检察官办公室对“火灾造成的非自愿破坏”展开了一项调查，这表明他们认为造成火灾的原因是意外事故，而不是犯罪行为。

youdao

Of course the presence of humans themselves also changes the odds of fire, as people are a frequent source of ignition—both accidental and deliberate.

当然，人类自身的存在也改变火灾的可能性，因为人类是一个经常地导火源——有无意的也有故意的。

youdao

So we keep each other informed and both sides remain well-informed so that they can avoid the possibility of accidental fire or friendly fire."

VOA: standard.2009.07.04

Until that point the prosecutor believed his sister had died in an accidental fire.

FORBES: Just One Look

But after numerous invasions by forces vying for the Polish throne as well as an accidental fire in 1844, the abbey lay in ruins until 1939, when 11 monks formed an order there again.

BBC: Forgotten landscapes outside Krakow

Firefighters called to the home in Canton on 12 July initially thought the boy had died in an accidental fire, but a post-mortem examination revealed he had died of multiple injuries after being beaten with a blunt instrument some hours before the fire began.

BBC: Yaseen Ali Ege