Russia 's energy monopoly Gazprom cuts off gas supplies to Ukraine . Company says Ukraine owes it about $ 2 billion for past natural gas deliveries . A gas-compressor and gas-holder station in Mryn , Ukraine . Comment: Gazprom cut supplies on January 1 , 2006 , but turned supply back on a day later .
Russia 's energy monopoly Gazprom cuts off gas supplies to Ukraine . Company says Ukraine owes it about $ 2 billion for past natural gas deliveries . Comment: Gazprom cut supplies on January 1 , 2006 , but turned supply back on a day later .