Πεμ, 29 Δεκεμβρίου 2011 - 19:44
                                
                                Russia secured approval from Turkey on Wednesday to build the South Stream gas pipeline across the Black Sea, removing the last major obstacle to proceed with a project that could increase Europe's dependence on Russian natural-gas supplies.
The move heats up the battle between Russia and the European Union over competing pipelines, especially the European Union-backed Nabucco project, and increases pressure on Ukraine to give Moscow control of its pipeline system