Russian Billionaire Valery Kostov Detained Over Large-Scale Fraud
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Russian billionaire Valery Kostov, chairman of the board and majority shareholder of the food industry group 'Efko', has been detained in Moscow on suspicion of large-scale fraud. His arrest, along with that of 'Efko' general director Yevgeny Lyashenko, was reported by multiple sources. 'Efko' is one of Russia's largest food producers, specializing in oil, mayonnaise, plant-based meat, food ingredients, egg products, soap products, and animal feed. In September 2025, 'Efko' acquired the vegetable oil producer 'Olein'.
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