 Umurashi yishe abantu batanu muri Serbiya Jason Derulo yaririmbiye abafana be ari ku ibaraza Ratko Mladic yakatiwe gupfungwa ubuzima bwose Kugenwa kwe nka minisitiri wintebe kwabonwe nkugutunguranye muri iki gihugu cyo mu majyepfo ashyira uburasirazuba bwUburayi - igice kizwi nka Balkans - kitemera ishyingiranwa hagati yabantu bigitsina kimwe. 