Flowers, candles and a picture of Kosovo Serb politician Oliver Ivanovic, at the scene of his shooting in Mitrovica, Kosovo, January 16, 2018. (AP Pho

Flowers, candles and a picture of Kosovo Serb politician Oliver Ivanovic, at the scene of his shooting in Mitrovica, Kosovo, January 16, 2018. (AP Photo/Bojan Slavkovic)

Flowers, candles and a picture of Kosovo Serb politician Oliver Ivanovic, at the scene of his shooting in Mitrovica, Kosovo, January 16, 2018. (AP Photo/Bojan Slavkovic)