ahtisari , developed a document that essentially became a secession plan.sovo parliament unilaterally declared the province's independence from serbia. it began to be called a sovereign parliamentary republic. nevertheless, go gray in kosovo. there are observers from the un mission and the mission european union yulex. the latter's sphere of activity includes the police service, border control, distribution of customs duties, courts and the prosecutor's office. official belgrade does not recognize the sovereignty of kosovo, but conducts a political dialogue with its authorities. in 2013, the first brussels agreement on the rights and powers of serbs in northern kosovo was signed. the next one appeared 3 years later. according to him kosovsky. the serbs were supposed to get seats in local governments, but the kosovo authorities never ratified the document. the tension does not subside. last may , kosovo serbs took to the streets demanding the recall of the mayors of four serbian municipalities elected without their participation. international security force