UNMIK chief Zahir Tanin assessed last night that yesterday's developments in Kosovo were unacceptable and has urged the authorities in Belgrade and Pristina to avoid provocations and take the steps necessary to preserve the peace and security of citizens, reported Serbian media.

He said in a UNMIK statement that it was necessary that all interested avoid any rhetoric or measures that could escalate the situation further.

"Dialogue is the only mechanism for resolving differences," Tanin said. He also added that the leaders' responsibilities to their constituencies do not require anything less.