KIEV, Sept. 8 – The Security Service has questioned First Deputy Batkivschyna Party head Oleksandr Turchynov as a witness in the case on the customs registration of 11 billion cubic meters of natural gas owned by the Swiss-registered gas trader RosUkrEnergo, according to a court ruling.

Turchynov was in the Security Service of Ukraine headquarters for about two hours on Wednesday and has now left the building.