NATO will deploy an extra 700 troops to Kosovo amid rising tensions with ethnic Serbs.
An additional battalion of reserve forces have also been put on high alert to be deployed if needed, NATO secretary-general Jens Stoltenberg has said.
He said attacks in Kosovo “must stop”.
On Monday, 30 NATO soldiers were hurt in clashes with ethnic Serbs, as well as some 50 protesters.
Explainer: Why have tensions flared up between Serbia and Kosovo?
Kosovo is a former province of Serbia which declared independence in 2008 – but Belgrade does not recognise its independence.
Ethnic Albanians make up most of the population, but Kosovo has a Serb minority in the north of the country bordering Serbia.
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Earlier today Serb protestors smashed two cars belonging to Albanian journalists in the town of Leposavic.
Masked men approached a car with an Albanian number plate marked as “A2, CNN affiliate” and smashed the windscreen.
Another car belonging to another media outlet was smashed as well. No one was injured.
Unrest in the region has intensified since ethnic Albanian mayors took office in northern Kosovo’s Serb-majority area after April elections the Serbs boycotted, a move that led the US and its allies to rebuke Pristina on Friday.