I was wondering if he was a Bosnian Serb, or a Muslim.
From reading on in the story, I'd say it's a Serbian.
There is also another ball for the inauguration, where a leader from over there was invited. It's not part of the big celebration but an offshoot so to speak.
Balkan Insight and Radio Free Europe are fairly good sources on all of this, I don't find a real bias with BI, Balkan Insight.
Not on the computer that much today, wrenched my back a little.