The European Union's foreign policy chief condemned the attack on the European military forces in Kosovo (EULEX) and said that the attack on Kosovo police officers is unacceptable.

Iran PressEurope: Serbia has refused to recognize Kosovo since 2008 when it declared independence. the US and many European countries have recognized the independence of Kosovo

In response to the rising tensions between Serbia and Kosovo and the shooting in the border areas of these two countries, on Sunday Josep Burrell said: "The European Union will not tolerate any attack against its forces."

The attack took place earlier in the day Kosovo's President Vjosa Osmani announced that extraordinary local elections in four municipalities in northern Kosovo, populated mainly by ethnic Serbs, have been postponed until next spring due to the worsening security situation. The move was intended to avert the latest security crisis in the region. 

Tensions increased in northern Kosovo ahead of elections initially scheduled for December 18 to fill vacant posts after Serbs in northern Kosovo decided to abandon the state institutions in protest against the authorities’ insistence on continuing with the re-registration of cars with Serbian number plates.

On Saturday, Kosovo Serbs erected blockades at the border with Serbia due to the arrest of Dejan Pantic, a former member of the Kosovo police, who resigned in November as part of the mass withdrawal from state institutions. 219