Nafrogaz is going to file additional suits against Gazprom for more than $5 billion, as Yuriy Vitrenko, commercial director of Naftogaz, told 5 Channel on air.
112.ua: Naftogaz is to add $5 billion to the Stockholm court suit against Gazprom
A picture shows a partial view of a compressor station of Ukraine's Naftogaz national oil and gas company
