Construction has begun on the Serbian section of Russia's South Stream natural-gas pipeline.
Votes are being counted in a Serb-dominated part of Kosovo after a previous vote there was annulled due to violence.
Polls have closed in a Serb-dominated town in Kosovo after a previous vote there was annulled due to violence.
The U.S. ambassador to Kosovo says increased security at repeat elections in northern Mitrovica will deter attempts to harass voters or invalidate ballots as occurred earlier this month.
Russia and Serbia signed a military cooperation agreement in Belgrade on November 13.
The Serbian government says construction of the Serbian section of Russia's South Stream natural-gas pipeline is to start on November 24.
The prime ministers of Serbia and Kosovo, Ivica Dacic and Hashim Thaci, met in Brussels on November 6 with the EU's foreign policy chief, Catherine Ashton, to discuss the recent local elections in Kosovo.
European Union election monitors say that despite outbreaks of violence in the Serb-dominated north, attempts to sabotage Kosovo's municipal elections had failed.
The Council of Europe's human rights commissioner, Nils Muiznieks, has published a research paper severely criticizing the migration policies of the European Union and the countries in the Western Balkans.
President Atifete Jahjaga has warned ethnic Serb hard-liners not to undermine Kosovo's central government, after outbreaks of violence marred municipal elections in the Serb-dominated north.
Voters in Kosovo went to the polls in local elections, with ethnic Serbs encouraged to vote for the first time since the territory's secession from Serbia.
President Atifete Jahjaga has said local elections set for November 3 will be a test of Kosovo's political maturity as it seeks closer ties with the European Union.