A French soldier serving in the NATO-led multinational force in Afghanistan was killed when the armoured vehicle he was travelling in tumbled into a ravine, military officials said Tuesday. The vehicle was carrying three French soldiers when it crashed Monday during an operation in the Uzbeen valley in the east of the country conducted with Afghan and US troops, military headquarters in Paris said in a statement. All three were injured and one of them, Sergeant Herve Enaux of the 35th Infantry Regiment, died as he arrived by helicopter at the French military hospital in Kabul, it said. France has 3,750 troops helping fight Taliban insurgents in Afghanistan in a conflict that has cost 47 French soldiers their lives.