Could battle for Raqqa bring the end of ISIL in Syria? | Syria

When ISIL took control of Raqqa in 2014, the Syrian province became the first to fall under the armed group’s full control. ISIL fighters went on a rampage killing thousands of civilians, and used Raqqa city to plan attacks overseas. Now, three years later, the US-backed Syrian Democratic Forces have launched, according to them, the final assault to take back Raqqa from ISIL. It is not clear how