Poland's state-owned gas monopoly PGNiG said the move comes after it rebuffed a Gazprom request for lower transit fees for the transit of Russian gas through the Yamal-Europe pipeline.
A Gazprom official acknowledged disagreements over tariffs.
Prague Energy Forum, October 23-24
An oil refinery in Western Siberia (TASS)
STABILITY AND SECURITY: On October 23-24, RFE/RL and the Warsaw-based Economic forum cosponsored the Prague Energy Forum at RFE/RL's Prague broadcasting center. The Energy Forum brought together nearly 100 experts and policymakers from Europe, Central Asia, and the Middle East to discuss key issues of energy supply and security in the years to come.
HIGHLIGHTS: RFE/RL presents some of the key presentations from the Energy Forum and interviews with some participants: