AlQa'dah 13, 1434, Sep 19, 2013, SPA -- A police officer with the European Union's mission in Kosovo was shot and killed on Thursday when two EU vehicles were fired on in a northern, mainly ethnic Serb region of the Balkan country, the mission, European Union Rule of Law Mission in Kosovo " EULEX'', said in a statement, according to Reuters. EULEX said the officer, whom it did not identify, was part of a regular rotation from a border crossing with Serbia.