https://apnews.com/article/kosovo-serbia-clashes-raid-police-f671bd21560f60bdca72d2daf7ce50ef

This is a developing story. Feel free to ask clarifying questions, as there will likely be edits in the early stage of this Question. Will resolve to Yes if at any point in the next 3 months, Serbian state troops or munitions inflict any casualties on NATO or Kosovo troops or civilians, or vice versa. Resolves No if there are only civilian-on-civilian or civilian-on-military casualties.

NATO beefs up its Kosovo force as the US worries about a buildup of Serb troops in the area

NATO is reinforcing its troop presence in Kosovo in response to a weekend shootout that left four people dead.