Fighters of Hashed Al-Shaabi (Popular Mobilization units) flash the victory gesture as they advance through a street in the town of Tal Afar, west of Mosul, after the Iraqi government announced the launch of the operation to retake it from Islamic State (IS) group control, on August 26, 2017. / AFP PHOTO / AHMAD AL-RUBAYE (Photo credit should read AHMAD AL-RUBAYE/AFP/Getty Images)
