KIEV, Nov. 22 - A Naftogaz Ukrayiny delegation headed by the company chairman Yevhen Bakulin had to interrupt talks on the gas supplies to Ukraine in 2008-2010, which were being held in Moscow, and return to Kiev due to the threat of the company's work being blocked by the tax authorities, according to a statement the holding issued on Thursday.

"Bakulin is urgently returning to Kiev due to the threat of the company's work being blocked by Ukraine's tax authorities," the statement said.