KIEV, Jan. 21 – Prime Minister Arseniy Yatseniuk has ordered an internal investigation into the actions of officials in the Energy and Coal Industry Ministry and state enterprises during the signing of contracts on the supply of electricity by Ukrinterenergo and Russia's Inter RAO.

"I give an order that an internal investigation into the actions of officials in the Energy and Coal Industry Ministry and top managers of state enterprises during the signing of contracts on imports of electricity from Russia and on the supply of electricity to Ukrainian territory, which is Crimea, be launched," he said.