EU and US envoys urge Kosovo and Serbia to resume dialogue in order to defuse tensions

Its unclear when another round of meetings might take place.Kosovo has called on Europe to sanction Serbia, which it blames for the September 24 violence, saying no further talks could be held and demanding higher security measures from Western powers to deter an increased presence of Serb military forces along its border.NATO has bolstered a peacekeeping force in Kosovo, which normally has a troop strength of 4,500, with an additional 200 troops from the UK and more than 100 from Romania.