By Peter Allen Four climbers including a renowned mountain guide have died and three others been injured during an avalanche in the Valley of Hell in central France. The horrific accident claimed the life of Frenchman David Vigouroux, 50, on Sunday afternoon in the Auvergne region, at an altitude of 5,250ft (1600m). Joël Mathurin, Prefect of the Puy-de-Dôme department, said the accident happened above the village of Mont-Dore, in an area known as the Val d’Enfer – the Valley of Hell. “Four people died and three were injured following the accident on Sunday afternoon,” said Mr Mathurin. “Seven …