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Cancer-causing gene found in donor sperm across Europe

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A sperm donor who unknowingly harboured a genetic mutation that dramatically raises the risk of cancer has fathered at least 197 children across Europe, a major investigation has revealed. Some children have already died and only a minority who inherit the mutation will escape cancer in their lifetimes. Denmark's European Sperm Bank, which sold the sperm, said families affected had their "deepest sympathy" and admitted the sperm was used to make too many babies in some countries.The sperm came from an anonymous man who was paid to donate as a student, starting in 2005. Also: the daughter of the Venezuelan opposition leader Maria Coria Machado has collected her mother's Nobel Peace Prize on her behalf. The new sound therapy offering hope to sufferers of tinnitus. We hear from the border between Thailand and Cambodia as half a million people flee the fighting. The leader of the National Rally in France, Jordan Bardella, who is favourite to win the French presidential election in 2027, speaks to the BBC. We hear