Fighters of the Syria Democratic Forces prepare to fire a mortar shell towards positions held by Islamic State fighters in northern province of Raqqa
![Fighters of the Syria Democratic Forces prepare to fire a mortar shell towards positions held by Islamic State fighters in northern province of Raqqa](https://middleeastobserver.org/wp-content/uploads/2016/06/153.jpg)
Fighters of the Syria Democratic Forces prepare to fire a mortar shell towards positions held by Islamic State fighters in northern province of Raqqa, Syria May 27, 2016. REUTERS/Rodi Said