Ethnic Serbs in Bosnia and Herzegovina have marked the 31st anniversary of the creation of Republika Srpska, despite a ruling by the country's constitutional court that the January 9 celebration is unconstitutional and illegal. The tension has prompted fears about a potential breakup of Bosnia. Abdulvehab Ejupi has more.
![](https://i.ytimg.com/vi/3bbNyJVJ5yI/mqdefault.jpg)