"Ethnic tensions and nationalistic fervor" continue "just under the surface of the relative calm that has endured in the Western Balkans over the past decade."

The Stratfor organization, which Tanjug quoted in a a report and described as dealing with geopolitical analyses, also states "one of the most contentious topics on the agenda of the coming negotiations is the creation of a Community of Serb Municipalities," known in Serbian by its "ZSO" acronym.

The ZSO, Stratfor continues, is an idea "broached in 2013, but little progress in implementing it has been made since."

The US intelligence service CIA, and the agency Stratfor, have predicted big changes on European soil, Belgrade-based daily Vecernje Novosti is reporting.