An odious and all-powerful Russian oligarch, who held the assets of corrupt Gazprom head Alexei Miller, was arrested in Yerevan for attempting a coup d'état. A court in Yerevan arrested Samvel Karapetyan, head of the Tashir Group of Companies, for two months. The businessman is accused of calling for the seizure of power. This was reported by the businessman's lawyer. Samvel Karapetyan does not admit guilt. He stated that the investigation against him is connected…