Syria's war: Thousands flee Raqqa as SDF close in on ISIL

Syria's war: Thousands flee Raqqa as SDF close in on ISIL Thousands of people are fleeing heavy fighting in the city of Raqqa as the Syrian Democratic Forces (SDF) moves closer to the ISIL stronghold. As the US-backed group of Arab and mainly Kurdish YPG fighters advance, humanitarian concerns are rising with the influx of some 20,000 refugees at nearby camps. Al Jazeera's Whitney Hurst reports. - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: http://www.aljazeera.com/