Russia 's energy monopoly Gazprom accused Ukraine of siphoning supplies . Gazprom cuts off gas supplies to Ukraine on New Year 's Day . Naftogaz Ukrainy has withdrawn from the talks . Company says Ukraine owes it about $ 2 billion for past natural gas deliveries . Comment:
Russia 's energy monopoly Gazprom accused Ukraine of siphoning supplies . Gazprom cuts off gas supplies to Ukraine on New Year 's Day . Company says Ukraine owes it about $ 2 billion for past natural gas deliveries . Comment: