French former hostage Louis Arnaud shared his two-year ordeal in Iran's Evin Prison in an exclusive interview with FRANCE 24's Stuart Norval. Arnaud, a banking consultant, had been sentenced to five years in jail on national security charges after being arrested in September 2022 while travelling through Iran. He was kept in solitary confinement for large periods. "Everything is done so that you are deprived of your humanity," Arnaud told us in his first interview since his release in June 2024. French President Emmanuel Macron is now urging Tehran to free three other French nationals "without delay