Police have detained a person following an explosion in front of a synagogue in the south of France, acting Interior Minister Gérald Darmanin announced early on Sunday. Two doors of the synagogue in La Grande-Motte near Montpellier were set on fire on Saturday morning along with two vehicles in front of the building. A gas bottle exploded in one of the vehicles. A police officer was injured. The five people who were in the synagogue at the time were unharmed. According to the broadcaster BFMTV, the suspect was arrested in Nîmes, about 40 kilometres from La Grande-Motte. French President Emmanu…