Syria war: US warns over Turkish-Kurdish violence
The US says fighting between Turkey, pro-Turkish rebels and Kurdish-aligned forces in northern Syria is “unacceptable” and must stop.
Clashes in places where so-called Islamic State (IS) was not present were a “source of deep concern”, the US envoy to the anti-IS coalition tweeted.
Read more: http://www.bbc.com/news/world-middle-east-37212256