Serbian President Aleksandar Vucic waves to his supporters during a rally in the northern, Serb-dominated part of Mitrovica, Kosovo, Sunday, Sept. 9, 2018. NATO-led peacekeepers in Kosovo say the safety of Serbia President Aleksandar Vucic during a visit to Kosovo isn't threatened despite roadblocks that prevented his visit to a central Serb-populated village. (AP Photo/Darko Vojinovic), APTOPIX