Overview
- The explosion occurred late Tuesday morning at Casabea on rue de la Monnaie in central Lyon.
 - The Rhône prefect said three people were injured, with two in serious condition from severe burns, and all were taken to hospital.
 - Firefighters, Samu, police, and GRDF experts responded to the scene and set up a security perimeter.
 - Early investigative elements point to a gas issue in the kitchen, though the precise circumstances remain under investigation.
 - The restaurant described the event as a technical incident on social media, and the case draws renewed scrutiny after August’s fatal gas blast in Vénissieux.