The defense agency said those were unsuitable for fires like the one at Notre Dame because dumping water on the building could cause the whole structure to collapse.
Former Montrealer Jennifer Leblanc is staying with a local family as she visits Paris and said that the building means a lot to them and the country.
Images posted on social media show smoke billowing out from the top of the medieval cathedral as flames tore through its two bell towers and the roof at the back of the cathedral.
The cause of the blaze was not known, but French media quoted the Paris fire brigade as saying the fire is "potentially linked" to a 6 million-euro ($6.8 million) renovation project on the church's spire and its 250 tons of lead.
"As we speak, it appears that the towers on the front of Notre Dame are saved".
French President Emmanuel Macron has promised to rebuild Notre Dame Cathedral and says he is seeking global help to restore the Paris landmark. The spire was undergoing renovation.
Officials have reported that one firefighter suffered serious injuries while combating the blaze. Its bells rang out calling all Parisians to celebrate the end of the Second. He pledged to rebuild the church and said he would seek global help to do so.More news: Fenland’s Formula One ace competed well in Chinese Grand Prix
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"Notre-Dame de Paris in flames", Macron has tweeted.
UK Prime Minister Theresa May has said her thoughts are "with the people of France tonight and with the emergency services who are fighting the awful blaze at Notre-Dame cathedral".
The priceless artwork is also being removed in an attempt to save as much as possible. The city's mayor, Anne Hidalgo, said the significant collection of art work and holy objects inside the church had been recovered.
French historian Camille Pascal told BFM broadcast channel the blaze marked "the destruction of invaluable heritage".
Alain Faubert, the auxiliary bishop of the Archdiocese of Montreal, said whenever he goes to Paris he makes a point to stop by the cathedral.
Macron said a national fundraising campaign to restore Notre Dame would be launched Tuesday and he called on the world's "greatest talents" to help. "We can be only horrified by what we see".
As a catastrophic inferno tore through a cultural treasure, U.S. President Donald Trump assessed the response from 4,000 miles away and offered unsolicited advice for firefighters trying to save Paris' Notre Dame cathedral.