Arsonists lighting fires in conduit points across France's high-speed rail network have disrupted the transport network hours before the Paris Olympics opening ceremony.
Train operator SNCF's chief executive, Jean-Pierre Farandou, said the attackers had started fires in "conduits carrying multiple (fibre-optic) cables" that carried "safety information for drivers" or control the motors for points.
"There's a huge number of bundled cables. We have to repair them one by one, it's a manual operation," requiring "hundreds of workers", he added.
