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Sergei Tchepikov, a Russian biathlete and two-time Olympic champion, has died at the age of 59, according to Sergei Averyanov, a representative of the Russian Biathlon Union. Details on the cause of death were not immediately provided. Tchepikov's international career spanned two decades and six Winter Olympic Games, during which he won gold in the biathlon relay in 1988 and another gold in the sprint in 1994. He also served as a State Duma lawmaker in later years, reflecting his transition from elite sport into Russian politics.