A short circuit, a cigarette or a bad welding, hypothesis of the fire at Notre Dame

"The scaffolding intended for roof and needle restoration work was equipped with two elevators: the first one to 24 meters from the ground and the other to reach the roof, to 54 meters," Portail reported. Parisian, citing a source close to the investigation.

The the interviewed workers rose to 30, while the badumptions on the table are increasingly shorting (perhaps related to scaffold lifts), cigarette butt or overheated welding.

Starting today, Sources close to the investigation also speak of a computer error that, in the face of the first warning, he would have sent the rescuers to the wrong place in relation to the one where the flames were burning. Only 23 minutes later, the second alarm corrected the coordinates and allowed the security officers to discover a major source of fire that had already devoured a beam.

During, "Sixty firefighters are still in place, ready to intervene if the fire resumes, but it is not the case, I am sure"said the spokesman of the Paris Fire Department, Gabriel Plus.

As for the scaffolding, "it was deformed by the heat, fortunately it did not collapse in the vault, but it will have to be removed," he said quoted by the Ansa news agency.

"Since yesterday (Tuesday)," he continued, "we are committed to monitoring the building and the hotspots of the structure, the building is maintained because the steeples have been saved," he said. .

He also said that "firefighters accompany experts who study point by point the cathedral to define what is damaged, what should be dismantled and what should be consolidated".

For its part, the mayor of Paris, Anne Hidalgo, invited Parisians and tourists to participate tomorrow, in the Plaza de l'Hotel de Ville, at a ceremony in honor of "those who helped save Our fire Give me. "

The ceremony will begin at 4:15 pm, and 15 minutes later, Hidalgo will present two monumental plaques to "pay homage to Our Lady and those who saved her," he said.

During the activity, which will involve the ecclesiastical and political authorities, there will also be musical performances and an excerpt from the play "Notre Dame de Paris" by Victor Hugo will be read.