The EU and US said they were working with Serbian President Aleksandar Vucic and Kosovo's Prime Minister Albin Kurti to seek a political solution to one of the worst flare-ups in years in northern Kosovo.
US soldiers serving in NATO-led peacekeeping force KFOR, guard a checkpoint on the road near the northern Kosovo border crossing of Jarinje, along the Kosovo-Serbia border, Kosovo.(AP)
Serbs in the ethnically divided city of Mitrovica in northern Kosovo erected new barricades on Tuesday, hours after Serbia said it had put its army on the highest combat alert following weeks of escalating tensions between Belgrade and Pristina.
Members of the Italian Carabinieri, part of NATO peacekeepers mission in Kosovo, stand guard at River Ibar Bridge, in the ethnically-divided town of Mitrovica, Kosovo, on Tuesday.(REUTERS)
The train derailed in the evening, causing "the leakage (of ammonia) and the dispersion of a large amount of gas into the atmosphere, the interior ministry said in a statement.