Kosovo Serbia tensions flare.

Kosovo, Serbia trade accusations over the most unrest they have seen in months.

Kosovo was able to agree to postpone plans to issue government-issued ID cards and car plates compulsory for all citizens.

The members of the tense Serb minority blocked the streets in protest.

Kosovo was declared independent from Serbia in 2008, stayed out of the declaration of independence until September 1.

The peacekeeping mission of NATO within the ex- Serbian province of KFOR said it was "prepared to intervene if stability is jeopardized."

The escalation highlights the ongoing conflicts between two ex- Yugoslav republics.

"No matter how hard it is, there'll be no surrender, Serbia will prevail," he said in meeting with his army chiefs.

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