One of Russia's richest women has died in a light aircraft crash in Germany. Airline tycoon Natalia Fileva, 55, the co-owner of Russian carrier S7, was on board a six-seater plane which crashed and exploded near Frankfurt today. German police said there appeared to be three people on board the plane, including the pilot of the flight, which originated in France. Two more people are believed to have died in a collision with a police vehicle which was responding to the scene. Business publication Forbes.ru estimated Ms Fileva's fortune at $600million (£460million), calling her Russia's fourth-richest woman.