Meanwhile, subsequent forensic evidence suggested that the fire was started accidentally and that the carpet had never contained any inflammable substances.

同时，新的证据表明，那次火灾属于偶然事件，因为地毯上并不含有易燃物质。

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The single spark that started the prairie fire suggests the answer.

引发燎原之火的火花暗示了答案。

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CCTV news reported that the fire started at 8:27 p.m. local time.

CCTV新闻报道，火灾发生在当地时间下午8时27。

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They set off a string of bombs that damaged equipment in the machine room and started a fire that authorities rushed to put out.

VOA: standard.2010.07.21

The town of Marysville, which was almost obliterated in the disaster, remains a crime scene as investigators search the charred debris of buildings for more victims of a fire that was thought to have been started deliberately.

VOA: standard.2009.03.14

Police said they now believed there was an electrical fault with the hob on Mrs Crown's cooker, but could not confirm whether they believed that started the fire or whether an accelerant was used.

BBC: Una Crown

Chilean authorities have indicated that Mapuche activists may have started the fire that killed the firefighters.

FORBES: Retaliation Fires Burn In Chile After President Pi?era Mentions Arson

Detectives said that they now know that the fire started in the back of the lounge, and are now confident that the family laptop is not amongst the debris from the fire.

BBC: Harlow fire deaths: Two people may have vital information