Supporters hold a flare during the French Cup round of 64 football match between Paris FC and Olympique Lyonnais (OL) at the Charlety stadium in Paris, on December 17, 2021.  - The match was interrupted due to incidents in the stands.  At half-time, several flares were launched toward Lyon supporters, and two improvised explosive devices also exploded.  Spectators from this stand then descended on the lawn to move away from the scene of the incidents, preventing the resumption of the match.  (Photo by Bertrand GUAY  /  AFP)

Fear grips French football as violence at matches gets out of control