Lyon. What caused this mysterious detonation in the middle of the night?

“Am I the only one who heard an explosion in Lyon?”

Well no, @Nicolasoutis, you did not hallucinate or have a strange nightmare. There was indeed a loud detonation that occurred at half past midnight in the Confluence district located south of the Presqu’île de Lyon, on the night of Saturday August 31 to Sunday September 1. Many people reported this mysterious detonation on the X network (formerly Twitter). “I saw a light pass in the sky at the top of a hotel in Confluence just before the explosion,” one of the network members even said.

“A flash in the sky, followed by an explosion on the quay in front of Confluence”

The detonation was heard well beyond the neighborhood, “in the 3rd, it was also very muffled,” said one Internet user. “Same from Croix-Rousse,” added another. The intensity was significant, some even speak of a double detonation, creating an “echo” as far as Sainte-Foy-lès-Lyon. One Internet user said he saw “a flash in the sky, followed by an explosion on the quay opposite Confluence, on the other side of the Saône. It made a dust explosion of at least 4 m with a noise like I had never heard in my life. “, commented one witness. “It was to wake up my ancestors. I thought it was my building,” noted another a few minutes after the event.

While the comments are coming thick and fast, the origin of the phenomenon that woke up many people remains unexplained. We contacted the services of the prefecture, the police and the fire brigade of the metropolis, but in vain. No plausible explanation has been put forward at this time. Some do not hesitate to make jokes like “patalonn” who thinks that Emmanuel Macron has finally “reached the explosion stage before the impeachment stage”.

It is not excluded that the detonation simply came from a lightning strike at the level of the Jean-Jacques Rousseau quay, along the Saône, in La Mulatière. But the Keraunos surveillance network did not detect any lightning strikes at this precise time.

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