Technicians from France’s high speed railway network have started to repair fire damage caused by arsonists that took place hours before the Paris Olympics’ opening ceremony. The fires paralysed train travel into Paris for around 800,000 people across Europe, including athletes heading to the opening ceremony of the Olympic Games. Targeting remote locations far from the capital, the apparently coordinated attacks sought to cut off rail routes into the city from all directions. The fires were predominantly set in pipes containing critical signalling cables for the system known as the TGV. There…