State Department: USA is concerned about the situation with the leadership of "Naftogaz of Ukraine" 

“We are deeply concerned about the ongoing management crisis at Naftogaz, including the resignations of independent members of the Naftogaz supervisory board on September 8,” TASS quotes the head of the State Department's press service, Ned Price.

Earlier, the Prime Minister of Ukraine Denis Shmygal instructed to hold a competition for the post of Chairman of the Board of Naftogaz of Ukraine.