In Russia, energy and politics are rarely far removed from each other. Moscow is renowned for its use of oil and gas as a tool (or a weapon, depending on how you look at it) to get its own way, particularly with its former Soviet neighbors.
Georgia, the Baltic countries, Armenia and Kyrgyzstan are just some of the ex-Soviet Union states stung by Moscow over energy. And Ukraine’s treatment has over the past 10 years seemed sometimes brutal, with Russia leaving it out in the cold by switching off gas supplies because of price disputes.
Now, it seems, it is Azerbaijan’s turn.