US at Pains to Calm Tensions Between Its Allies in Northern Syria
![US at Pains to Calm Tensions Between Its Allies in Northern Syria](https://cdn2.img.sputniknews.com/images/104462/61/1044626153.jpg)
US Secretary of Defense Ashton Carter has called upon Ankara and the Kurdish-led Syrian Democratic Forces (SDF) to not fight with one another and to keep "those geographic commitments that they've made."