Fighters of the Hashed Al-Shaabi (Popular Mobilization units) advance towards the town of Tal Afar, west of Mosul, after the Iraqi government announced the beginning of the operation to retake it from the control of the Islamic State (IS) group on August 22, 2017. - Iraqi forces recaptured from the Islamic State group the first two districts of jihadist bastion Tal Afar, as the Pentagon chief visited Baghdad in a show of support. (Photo by AHMAD AL-RUBAYE / AFP) (Photo credit should read AHMAD AL-RUBAYE/AFP via Getty Images)
