France’s acting interior minister has struck a reassuring tone less than a week before the start of the Olympic Games in Paris. The risk of terrorism at the Games has worried security experts for months given France’s recent history and the plan to hold Friday’s opening ceremony down the Seine with vast crowds. But Gérald Darmanin played down fears in an interview with Le Journal du Dimanche newspaper on Sunday. “As far as we know, there is no specific threat to the security of the Olympic Games,” he said, adding that intelligence services have not identified any imminent danger. The opening c…