Shiite Muslims commemorated the 10th day of the Islamic month of Muharram, also known as Ashura, which marks the anniversary of the passing of Prophet Mohammad's grandson Hussein in the desert plains of Karbala, some 113 kilometers (70 miles) from the modern-day Iraqi capital Baghdad.

Shiite pilgrims pray outside the shrine of Imam Hussein (back) during Ashura, a 10-day period commemorating the seventh century killing of Prophet Muhammad's grandson Imam Hussein, in Iraq's holy city of Karbala on Aug. 8, 2022.

This picture shows the holy shrine of Imam Hussein in Iraq's holy city of Karbala on Aug. 8, 2022.

Shiite Muslim pilgrims pray between the shrines of Imam Hussein and Imam Abbas in Iraq's holy city of Karbala on Aug. 8, 2022.

Shite pilgrims flagellate themselves ahead of Ashura, the holiest day on the Shiite Muslim calendar in the holy city of Karbala, Iraq, Aug. 8, 2022.

Shiite pilgrims reach out to touch the tomb of Imam Abbas located inside the al-Abbas Shrine, to commemorate Ashura, the holiest day on the Shiite Muslim calendar, in the holy city of Karbala, Iraq, Aug. 8, 2022.

Iraqi Shiite Muslims re-enact the Battle of Karbala as they mark Ashura, a 10-day period commemorating the seventh century killing of Prophet Muhammad's grandson Imam Hussein, outside the Imam Hussein Shrine in Iraq's holy city of Karbala on Aug. 8, 2022.

An aerial view shows the shrines of Imam Hussein ahead of the holy Shiite ritual of Ashura, the holiest day on the Shiite Muslim calendar, in the holy city of Karbala, Iraq, Aug. 8, 2022.

An aerial view shows the shrines of Imam Abbas ahead of the holy Shiite ritual of Ashura, the holiest day on the Shiite Muslim calendar, in the holy city of Karbala, Iraq, Aug. 8, 2022.

A Shiite pilgrim prays during a ceremony ahead of Ashura, the holiest day on the Shiite Muslim calendar, in the holy city of Karbala, Iraq, Aug. 8, 2022.

Shiite Muslims gather ahead of Ashura, the holiest day on the Shiite Muslim calendar, in Baghdad, Iraq Aug. 8, 2022.

Iraqi Shiites take part in Ashura which marks the martyrdom of a grandson of the Islamic Prophet Muhammad and members of his immediate family in the Battle of Karbala, in Karbala, Iraq, Monday, Aug. 8, 2022.

Iraqi Shiites take part in Ashura which marks the martyrdom of a grandson of the Islamic Prophet Muhammad and members of his immediate family in the Battle of Karbala, in Karbala, Iraq, Monday, Aug. 8, 2022.