The transformation of the Kosovo Security Force into a regular army is fiercely opposed by Serbia, which has never recognised Kosovo as an independent state.
Nato chief Jens Stoltenberg appeals for restraint after Serbian PM Ana Brnabic warns formation of Kosovan army could lead to a military intervention.
Coal-fired power plants account for a significant share of the region’s power generation, with most burning highly polluting lignite.
No sign of an end to regional crisis caused by Kosovo's 100% import tariffs on products from Serbia and Bosnia, as Serbian president warns failure to resolve situation could lead to an escalation of violence.
Serbia, the region's other frontrunner in the EU accession race, is being held back by unresolved issues with Kosovo, while Montenegro was praised for making good progress.
Politically motivated tariffs introduced after Pristina's bid to join Interpol failed due to Serbian pressure on member countries to vote against Kosovo's membership.