The US is warning of a big build-up of Serbian troops on the Kosovo border. Here’s why tensions are high

The long fractious ties between Kosovo and Serbia are once again on edge after one of the worst outbreaks of violence in years.

​CNN.com – RSS Channel The long fractious ties between Kosovo and Serbia are once again on edge after one of the worst outbreaks of violence in years. 

​Read More The long fractious ties between Kosovo and Serbia are once again on edge after one of the worst outbreaks of violence in years.