A fan zone at the Olympic Games in Paris has been hit twice by sabotage, days after cables were also cut on long distance train lines and key French fibre optic lines. On Monday, officials at the Château de Vincennes fan zone on the outskirts of Paris discovered that transmission cables to the big screens had been severed. They were repaired and then damaged again overnight, the Paris public prosecutor’s office said on Wednesday. No link has yet been established with the other sabotage investigations concerning the Olympic Games. Fibre optic cables belonging to several telecommunications provi…