A renowned Russian billionaire Vyacheslav Taran has died in a mysterious helicopter crash in France. He had taken off aboard an Airbus H130 helicopter from Lausanne in Switzerland en route to Monaco over the weekend. According to reports, the chopper crashed near the French town of Villefranche-sur-Mer on November 25. There are several mysterious surrounding Vyacheslav Taran's death, to know more watch the video.