Paris explosion: More than 30 injured after blast

Thirty-seven people have been injured, four of them seriously, after a large explosion in central Paris.

The blast took place in a building that housed a design school and the Catholic education system headquarters in Rue Saint-Jacques, in the fifth arrondissement of the French capital.

Emergency workers are searching through the wreckage of the building, with one person still thought to be missing.

According to witnesses, there was a strong smell of gas before the blast.

Local deputy mayor, Edouard Civel, said on social media the cause was a "gas explosion".

But authorities said the cause of the blast had not yet been determined.

Paris prosecutor Laure Beccuau said after arriving at the scene that initial checks of camera footage suggested the explosion occurred within the building, which was next to the Val de Grâce church.

The building was initially engulfed by fire, but the blaze was later brought under control, said Paris police chief Laurent Nunez.

The area has been cordoned off and Interior Minister Gérald Darmanin has been to the scene.

One of two missing people has been found in a hospital, Paris's first deputy mayor Emmanuel Grégoire said on Thursday. Rescuers are still looking for one other person.

The area where the explosion took place runs south from the Latin Quarter in Paris's Left Bank area that is popular with tourists and known for its student population.

A student at Ecole des Mines on Boulevard Saint-Michel told Le Parisien: "I was in front of the Val de Grâce, I heard a huge boom and I saw a ball of fire 20 or 30m high. And the building collapsed with a huge noise. I smelled gas, but took several minutes to come to my senses."

Another witness, Antoine Brouchot, told the BBC he was at home when he heard a "big explosion".

"I stuck my head out of the window and looked towards Cochin [hospital], then I saw a big cloud of smoke and as I got closer, there was a building that had collapsed and for the moment, there is a fire."

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