Key facts
- Billionaire Valery Kustov, founder of Efko, has been detained.
- Several Efko executives and a government official responsible for drone development were also detained.
- The detentions are part of a fraud investigation.
- Allegations include covertly purchasing drones from China and presenting them as proprietary developments.
- Efko is involved in drone production and is a leading sunflower oil producer.
Russian billionaire Valery Kustov, along with several executives from his company Efko and a government official overseeing drone development, have been detained amid a significant fraud investigation. Multiple news outlets reported on Thursday that Kustov, who is the founder, controlling shareholder, and board chairman of Efko, was among those detained.
