Stacey on the Front Line: Girls, Guns and Isis

September 2016 finds Stacey Dooley embedded on the frontline with an extraordinary all-female Yazidi battalion, driven to exact revenge against the so-called Islamic State. As the Mosul offensive against ISIS advances in Northern Iraq, this BBC Three film follows Stacey as she witnesses how these young women's lives are transformed by a desire to avenge loved ones murdered by Isis.