Brussels, 29/10/2012 (Agence Europe) - Russian gas giant Gazprom has announced that, on Monday 29 October, it signed a final agreement with Serbia on the construction of the South Stream gas pipeline. Serbia thus becomes the first country to make the formal decision to invest in the Italian-Russian project (Italian energy company ENI is heading the project alongside Gazprom). The pipeline will run from Russia to Bulgaria then connect to Greece via a southern section and Italy via a section...