PARIS (Reuters) – The fire that tore through Notre-Dame cathedral was probably caused by accident, French prosecutors said on Tuesday after firefighters doused the last flames in the ruins overnight and the nation grieved for the destruction of one of its symbols.

More than 400 firemen were needed to tame the inferno that consumed the roof and collapsed the spire of the eight-centuries-old cathedral. They worked through the night to extinguish the fire some 14 hours after it began.

(Graphic: 3D diagram of Notre-Dame – tmsnrt.rs/2DgH76t)

Paris public prosecutor Remy Heitz said there was no obvious indication the fire was arson. Fifty people were working on what would be a long and complex investigation. One firefighter was injured but no one else was hurt in