France'sstate-ownedrailwaycompanySNCFannouncedonFridaythatitisdevelopingautonomoustrainsthatwilloperatealongitshigh-speedTGVlinesby2023.Theso-called"dronetrains
France gunman shooting at a Thalys high-speed train linking Amsterdam to Paris, which left three wounded passengers, raised question over the government's ability to secure public transport.