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North gate of the Notre-Dame de Chartres cathedral in Chartres, western France, rebuilt after a fire in 1836, shown on April 17, 2019.JEAN-FRANCOIS MONIER/AFP/Getty Images

Notre-Dame Cathedral would have burned to the ground in a “chain-reaction collapse” had firefighters not moved as rapidly as they did to battle the blaze racing through the beloved landmark building, a French government official said Wednesday.

The firefighters acted aggressively to protect wooden supports in the twin medieval bell towers from the flames, averting a bigger catastrophe, said Jose Vaz de Matos, a fire expert with France’s Culture Ministry.

“If the fire reached this wooden structure, the bell tower would have been lost,” de Matos said at a news conference. “From the moment we lose the war of the bell towers, we lose the cathedral, because it’s a chain-reaction collapse.”

Monday’s fire destroyed most of the lead roof of the 950-year-old architectural treasure and caused its spire, which was added in the 19th century, to collapse.

An initial fire alert was sounded at 6:20 p.m., as a Mass was underway in the cathedral, but no fire was found. The second alert was sounded at 6:43 p.m., and the blaze was discovered on the roof. No one was killed in the fire, after firefighters and church officials speedily evacuated those inside.

  • A combination of two pictures made on April 16, 2019 shows (Up) the heart and transept at Notre Dame de Paris Cathedral in Paris on June 26, 2018 and (Bottom) the same view of the Notre-Dame Cathedral in Paris in the aftermath one day after a fire devastated the cathedral on April 16, 2019.LUDOVIC MARIN/AFP/Getty Images

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Firefighters acted bravely and as fast as they could to save the cathedral, said senior fire official Philippe Demay, denying that there was any delay in their response.

Despite extensive damage, many of the cathedral’s treasures were saved, including Notre-Dame’s famous rose windows, although they are not out of danger.

Paris Firefighters’ spokesman Lt.-Col. Gabriel Plus said that even though they are “in good condition ... there is a risk for the gables that are no longer supported by the frame.”

Firefighters removed statues inside the gables, or support walls, above the rose windows to protect them, and took care not to spray water too hard on the delicate stained glass, Plus said.

Scaffolding erected for a renovation of the spire and roof that was already underway must be properly removed because of its weight and because it is now “crucially deformed,” he added.

The cathedral is still being monitored closely by firefighters and experts to determine how much damage the structure suffered and what needs to be dismantled to avoid collapse.

“The experts are scrutinizing the whole of the cathedral, part by part, to identify what is weakened, what will need to be dismantled or consolidated,” Plus said.

Nearly $1-billion has pledged for the restoration, while a vow by French President Emmanuel Macron to finish it in five years has been challenged as being wildly off track.

He said the renovations would be completed in time for the 2024 Olympics in Paris.

French President Emmanuel Macron has promised that France would rebuild Notre-Dame cathedral in Paris, saying he hoped it could be done in five years. Rough cut (no reporter narration).


“We will rebuild the cathedral to be even more beautiful, and I want it to be finished within five years,” Macron said.

Experts have said, however, that Macron’s ambitious goal appears insufficient for such a massive operation. Even Prime Minister Edouard Philippe, while supporting the government timeline, acknowledged Wednesday that it would be difficult.

“This is obviously an immense challenge, a historic responsibility,” Philippe said in an address.

Prominent French conservation architect Pierluigi Pericolo told Inrocks magazine it could take triple that time.

“No less than 15 years ... it’s a colossal task,” said Pericolo, who worked on the restoration of the 19th century St.-Donatien Basilica, which was badly damaged in a 2015 blaze in the French city of Nantes. He said it could take between two to five years just to check the stability of the cathedral that dominates the Paris skyline.

“It’s a fundamental step, and very complex, because it’s difficult to send workers into a monument whose vaulted ceilings are swollen with water,” Pericolo told France-Info. “The end of the fire doesn’t mean the edifice is totally saved. The stone can deteriorate when it is exposed to high temperatures and change its mineral composition and fracture inside.”

Notre-Dame’s rector said he would close the cathedral for up to “five to six years,” acknowledging that “a segment” of the structure may be gravely weakened.

Pledges of nearly $1-billion have been made by ordinary worshippers and wealthy magnates, including those who own L’Oreal, Chanel and Dior. Presidential cultural heritage envoy Stephane Bern told broadcaster France-Info that 880 million euros ($995-million) has been raised since the fire.

The government was gathering donations and setting up a special office to deal with big-ticket offers.

Criticism already has surfaced in France from those who say the money could be better spent elsewhere, on smaller, struggling churches or on workers.

Philippe also said an international competition will be held to see if the spire should be rebuilt.

“Should we rebuild the spire envisaged and built by Viollet-le-Duc under the same conditions ... (or) give Notre Dame a new spire adapted to the technologies and the challenges of our times?” he said.

Teams brought in a huge crane and delivered planks of wood to the site Wednesday morning. Firefighters were still examining the damage and shoring up the structure.

  • Smoke and flames rise during a fire at the landmark Notre-Dame Cathedral in central Paris.FRANCOIS GUILLOT/AFP/Getty Images

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Macron called a special Cabinet meeting Wednesday on the fire, which investigators believe was an accident possibly linked to renovation that was already underway on the cathedral.

The Paris prosecutor’s office said investigators have still not been able to look inside the cathedral, because it remains dangerous.

About 30 people have already been questioned in the investigation. Among them are workers at the five construction companies who were involved in renovating the church spire and roof.

Neighbourhood merchants who depend on tourism to Notre-Dame expressed worry about their future. Since the fire, the island that houses the cathedral has been closed to the public and its residents evacuated.

“No one is talking about us,” said Patrick Lejeune, president of an association that represents about 150 employees.

Bustling streets are now “totally closed. I don’t have access to my office,” he said.

The island is considered the heart of Paris, with all distances in France measured from the esplanade in front of Notre-Dame.

Later Wednesday evening, bells will toll at cathedrals around France in honour of Notre-Dame.

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