“The battle to retake the Syrian city of Raqqa from the Islamic State terror group is a fight increasingly without front lines. The U.S.-backed, Kurdish-led Syrian Democratic Forces have breached the old city and control about a quarter of the terror group’s de facto capital, say American officials, but holding what has already been seized is proving a struggle.”
Source: Battle to Retake Raqqa a Desperate House-to-House Fight
