Investigators have still not been able to find the cause of the blaze An initial investigation into the devastating fire that consumed much of Notre-Dame cathedral in April has found no signs of criminal action behind the blaze, French officials said Wednesday. Chief Prosecutor of Paris Remy Heitz said in a statement that the investigations so far have not been able to pinpoint a cause of the fire but have found no evidence that it was deliberate, the BBC reported. “Deeper investigations” will be carried out, he said. Officials conducted 100 witness hearings in the initial stage of their investigation,...