(ANSA) - BELGRADE, JUN 1 - Ctizens of northern Kosovo are again protesting against the takeover of municipal buildings in Zvecan, Zubin Potok, and Leposavic by Kosovo's special units and police, local media report today. KFOR has been present in front of the municipalities in the north, inhabited mostly by Serbs, since Monday. This morning, citizens gathered again in protest, and workers from the institutions joined them in front of the municipalities. The situation in northern Kosovo remains tense, and NATO has urged the institutions in Kosovo to de-escalate immediately and call on all parties to resolve the situation through dialogue. (ANSA).