Members of Al-Hashd al-Shaabi faction walk near the frontline on October 21, 2016, near the village of Tall al-Tibah, some 30 kilometres south of Mosul, during an operation to retake the main hub city from the Islamic State (IS) group jihadists. The al-Hashd al-Shaabi faction is a Popular Mobilisation unit led by Shiite cleric Moqtada al-Sadr that supports the government forces in the battle against the Islamic State (IS) group. / AFP / BULENT KILIC (Photo credit should read BULENT KILIC/AFP/Getty Images)
