Kosovo–Serbia relations Serbian President Tomislav Nikolić accuses Kosovo of "seeking a war" after a train, en route to the Serb-majority city of Mitrovica in North Kosovo, and decorated in Serbian national colors and the words ""Kosovo je Srbija"" (Kosovo is Serbia), was prevented from crossing the Kosovan border. The Prime Minister of Kosovo Isa Mustafa says the train had been stopped "to protect the country's sovereignty". Sources: BBC