Finger of blame for Paris rail arson attacks pointed at three possible groups

French authorities are tonight frantically trying to find those behind the arson attacks that crippled train services, in a bid to prevent more chaos. High-speed lines into Paris from across the country were targeted, just hours before the Olympic Games opening ceremony began. The finger of blame was pointed at France’s ultra left groups, Russia due to its Games ban and Islamic terrorists. There were scenes of chaos at Paris Gare du Nord and the city’s Gare Montparnasse as thousands of passengers arrived to find trains cancelled or delayed. President...