EXPLAINER: Why do Kosovo-Serbia tensions persist?


              Kosovo police officers patrol in a mixed community neighborhood in ethnically divided town of Mitrovica, in northern Kosovo on Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
            
              Kosovo police officers patrol in a mixed community neighborhood in the ethnically divided town of Mitrovica, in northern Kosovo on Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
            
              A Latvian soldierspart of the NATO-led peackeeping mission in Kosovo patrols  near heavy vehicles parked by local Serbs blocking the road near the village of Uglare, in northern Kosovo, Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
            
              Heavy vehicles remain parked by local Serbs blocking the road in the village of Rudare, in northern Kosovo on Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
            
              A woman prepares refreshments for people on the road by a barricade near the village of Rudare, north of Serb-dominated part of ethnically divided town of Mitrovica, Kosovo, Monday, Dec. 12, 2022. Tensions between Serbia and Kosovo flared during the past week after Serbs erected barricades on the main roads in the north of the former Serbian province to protest the arrest of a former Kosovo Serb police officer. (AP Photo/Marjan Vucetic)
            
              Heavy vehicles remain parked by local Serbs block the road in the village of Rudare, in northern Kosovo on Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
            Latvian soldiers part of the NATO-led peackeeping mission in Kosovo patrol near heavy vehicles parked by local Serbs blocking the road near the village of Uglare, in northern Kosovo on Monday, Dec. 12, 2022. Barricades erected by local Serbs in the north of Kosovo remained up on Monday for the third consecutive day, despite calls from the international community to be removed and the situation de-escalated. Kosovo on Saturday postponed a local election due Dec. 18 in four municipalities with a predominantly ethnic Serb population, in an effort to defuse recent tensions there that have also caused relations with neighboring Serbia to deteriorate further. (AP Photo/Visar Kryeziu)
EXPLAINER: Why do Kosovo-Serbia tensions persist?