TOPSHOT - Shiite pilgrims take part in a ceremony during the ten-day mourning period leading up to Ashura, on September 19, 2018 in Iraq's holy city of Karbala. - Ashura commemorates the death of Imam Hussein, grandson of the Muslim faith's prophet Mohammed, who was killed by the armies of his rival Yazid over the succession for the caliphate near Karbala in 680 AD. (Photo by AHMAD AL-RUBAYE / AFP)