Montenegro has deported 58 foreigners, including 43 Russians, linked to a religious cult.
Britain's Prince Charles has called for reconciliation in the conflict-ravaged Balkans, urging the region's nations to work for peace and not become prisoners of their history.
Britain's Prince Charles and his wife, Camilla, have arrived in Croatia at the start of a six-day tour of Balkan countries during which they are expected to promote peace and reconciliation in the region.
Kosovar opposition lawmakers have again released tear gas to disrupt a parliamentary session to protest government deals with Serbia and Montenegro.
Interior ministers from the European Union, Turkey, and the Balkans held fresh talks on February 25 amid major differences over ways to contain an escalating migrant crisis.
Austria and its Balkan neighbors agreed to tighten border controls and warned they may eventually have to shut their borders entirely.
Hundreds of opposition supporters have installed tents in the center of Kosovo's capital, demanding the government's resignation.
The European Union has lost some of its allure for Balkan countries seeking to join, thanks to the migrant crisis and concerns about Britain leaving the bloc, Serbia's prime minister said on February 22.
Officials with NATO have begun talks with the Balkans nation of Montenegro about its application to become the 29th member of the transatlantic alliance.
Serbia has no interest in joining NATO or endorsing European Union sanctions against Russia, despite the government's ambitions of joining the EU, Serbia's ambassador to Moscow said February 12.
Montenegro says it has barred Russian Deputy Prime Minister Dmitry Rogozin from entering the small Balkan country.
Montenegro's Prime Minister Milo Djukanovic has survived a confidence vote over his country's invitation to join NATO. (RFE/RL's Balkan Service)