Russia 's energy monopoly Gazprom cuts off gas supplies to Russia . Company says Ukraine owes it about $ 100 for past natural gas deliveries . Another part of the dispute centers on Gazprom 's price hike for 2009 gas deliveries . Alexey Miller says supplies to other Naftogaz customers wo n't be affected . Gazprom cut supplies on a day later , but turned supply back on a day later .
Russia 's energy monopoly Gazprom cuts off gas supplies to Russia . Company says Ukraine owes it about $ 100 for past natural gas deliveries . Alexey Miller says supplies to other Naftogaz customers wo n't be affected . Gazprom cut supplies on a day later , but turned supply back on a day later .