Images taken by press photographers from the roof of the church just last week show the significant extent of the restoration work taking place on the almost 700-year old structure.
Flames are shooting out of the roof behind the nave of the 12th cathedral, one of the world's most visited landmarks.
The cathedral is 850 years old, and last year the Catholic Church launched an urgent appeal for funds to fix the building, which was showing serious signs of decay.
Mayor Anne Hidalgo said on Twitter: "A awful fire is underway at Notre-Dame Cathedral in Paris". Massive plumes of yellow brown smoke is filling the air above Notre Dame Cathedral and ash is falling on tourists and others around the island that marks the center of Paris. Perhaps flying water tankers could be used to put it out.
Donovan Mitchell is averaging 19 points and five rebounds while Rudy Gobert is averaging 22 points and 12 rebounds. Houston is healthy and clicking on offense, which is something it has struggled with throughout the season.
Talks between the Government and Labour to find a compromise way forward on Brexit will continue at official level on Thursday. Ian Blackford, the SNP's Westminster leader, urged Mrs May to use the extra time to hold a second European Union referendum.
One of America's largest airlines is cancelling 115 flights a day because of fears over the safety of the Boeing 737 Max aircraft. The timing of a prolonged grounding could not be worse for Northern Hemisphere carriers.
Parenting coach Sue Atkins believes the couple's work around mental health will help when it comes to raising their baby. Kensington Palace has not issued any comments about the upcoming birth or where Markle is planning on having the child.
The New York Police Department said the unidentified student went to the Keating Hall clock tower with her friends around 4am. University officials said Monfries died after losing her footing and falling some 30 feet onto a landing below.
Budenholzer led the Bucks to a league-best 60-22 record this season, leading Milwaukee to its best season in almost 40 years. It was the first playoff game since 2017 for Irving and Hayward after each missed last year's postseason with injuries.
Passenger Scott Laser told WABC that the plane veered left during the impact and then took a sharp right turn during the takeoff. Thompson says the man was escorted to the front of the Boeing 737-800 but opened a service door and jumped out.
We all were in unison that either pant or DK will come in only when Mahi [Mahendra Singh Dhoni] is injured. The pace trio of Mohammed Shami, Bhuvneshwar Kumar and Jasprit Bumrah have also been included in the squad.
Following the All-Star break, the Thunder finished off the year at just 12-13, stumbling all the way down to the No. 6 seed. George buried a 3 and it was 93-92 with 2:35 to go, but Lillard's trey upped Portland's lead to 96-92 with 2:23 to play.
Julian Assange's war of words with Ecuadorian government
In the meantime, he is expected to seek prison medical care for severe shoulder pain and dental problems, WikiLeaks has said. More than 70 MPs have also urged the Government to ensure Assange faces Swedish authorities if they request his extradition.
Chelsea as Liverpool vow to "fight until the end"
After the second goal - a shocking goal in a good way for them, but not for us - we reacted. "It's all bulls**t. We go to Porto now (holding a 2-0 lead in the Champions League ), which will be a tough one.