President Hashim Thaci, invoking the right to freedom of assembly, strongly denounced the roadblocks as "unacceptable."
Serbian Prime Minister and presidential candidate Aleksandar Vucic on Tuesday abandoned plans to campaign among the minority Serbs in Kosovo, saying he was not prepared to abide by the conditions set by the Kosovo government.
Tensions between the two countries have risen in the past four months following a series of incidents.
Kosovo declared independence from Serbia in 2008, but Serbia has not recognized it.
/AP/
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