President Aleksandar Vucic put the Serbian army on the highest level of combat alert after around 25 NATO peacekeeping soldiers defending three town halls in northern Kosovo were injured in clashes with Serbs as they protested against ethnic Albanian mayors. #News #Reuters #newsfeed #kosovo #protests #serbia #nato Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: https://www.reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en