After 20 years of peace, Republika Srpska threatens to tear apart the agreement that has held Bosnia together. The West must stop it.

Lost in the cacophony of international news about Russian airstrikes against U.S.-backed anti-Assad rebels in Syria and refugees flooding through the Balkans on their way to Western Europe, a crisis is brewing in Bosnia-Herzegovina on the European Union’s southeast flank. And here, too, Moscow has a hand in the mischief-making.

https://foreignpolicy.com/2015/10/26/war-break-out-balkans-bosnia-republika-srpska-dayton/