A Kashmiri Shi'ite Muslim mourner flagellates himself during a Muharram procession to mark Ashura in Srinagar, India October 12, 2016. (Photo by Danish Ismail/Reuters)

A Shi'ite Muslim woman bleeds after she was cut on the forehead with a razor during a religious procession to mark Ashura in Nabatieh, southern Lebanon on August 19, 2021. (Photo by Aziz Taher/Reuters)

Shi'ite Muslim girls take part in a mourning procession to mark Ashura, the holiest day on the Shi'ite Muslim calendar, in Istanbul, Turkey, on July 16, 2024. (Photo by Dilara Senkaya/Reuters)

A child is pictured with the face covered in blood during a religious procession to mark Ashura in Nabatieh, southern Lebanon on August 19, 2021. (Photo by Aziz Taher/Reuters)

A boy holds a rifle as he sits at the site of a rally held by followers of the Shi'ite Houthi movement to commemorate the Ashura, the holiest day on the Shi'ite Muslim calendar, in Sanaa, Yemen on August 30, 2020. (Photo by Khaled Abdullah/Reuters)

A supporter of Iraqi populist leader Moqtada al-Sadr gashes his head with blade during a ceremony marking Ashura, the holiest day on the Shi'ite Muslim calendar, at Tahrir Square in Baghdad,,Iraq on August 9, 2022. (Photo by Thaier Al-Sudani/Reuters)

Revellers dressed as zombies take part in an enactment of the running of the bulls a day before the start of the San Fermin festival in Pamplona, northern Spain, July 5, 2016. (Photo by Eloy Alonso/Reuters)

Viking re-enactors from the Gullinkambi group pose for pictures as part of the Jorvik Viking Festival on February 21, 2025. 100s of Viking re-enactors will march through the streets of York tomorrow. (Photo by James Glossop/The Times & Sunday Times)