If some person actually was responsible for starting the fire, they won’t admit it. I did guess it was some trades discarded cigarette. Total lack of evidence now, so blame the Sparks. I suppose we can’t tell the French it was an act of God.
A good reason to hasten our departure from the EU before they expect every member to cough up towards the repair. I haven't seen Winston Wolf riding to the rescue so I don't think they were with Direct Line!