French state-owned railway company SNCF CEO Guillaume Pepy attends a news conference in Saint-Denis, near Paris, France, November 19, 2015. The derailment of a high-speed French TGV train from Paris to Strasbourg in which 11 people were killed on Saturday was caused by excessive speed on a bend in the route, railroad operator SNCF said on Thursday. REUTERS/Benoit Tessier