A relative reacts by the coffin of a victim of a stampede at Shi'ite Muslim religious rituals of Ashura during the funeral in the holy city of Najaf, Iraq, September 11, 2019. REUTERS/Alaa Al-Marjani

Relatives carry a coffin of a victim of a stampede at Shi'ite Muslim religious rituals of Ashura during the funeral in the holy city of Najaf, Iraq, September 11, 2019. REUTERS/Alaa Al-Marjani

Relatives carry a coffin of a victim of a stampede at Shi'ite Muslim religious rituals of Ashura during the funeral in the holy city of Najaf, Iraq, September 11, 2019. REUTERS/Alaa Al-Marjani

Relatives of one of the victims of a stampede at Shi'ite Muslim religious rituals of Ashura carry a coffin during the funeral in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen

Relatives of one of the victims of a stampede at Shi'ite Muslim religious rituals of Ashura carry a coffin during the funeral in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen

Followers of the Houthi movement attend a rally to mark the Ashura day in Sanaa, Yemen September 10, 2019. REUTERS/Khaled Abdullah

Followers of the Houthi movement attend a rally to mark the Ashura day in Sanaa, Yemen September 10, 2019. REUTERS/Khaled Abdullah

Followers of the Houthi movement shout slogans as they attend a rally to mark the Ashura day in Sanaa, Yemen September 10, 2019. REUTERS/Khaled Abdullah

A Shi'ite Muslim living in Greece takes part in a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas

A Shi'ite Muslim living in Greece flagellates himself during a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas

Shi'ite Muslims living in Greece hold a horse during a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas

Shi'ite Muslims living in Greece flagellate themselves during a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas

Shi'ite Muslims living in Greece take part in a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas

Shi'ite Muslims living in Greece flagellate themselves during a Muharram procession to mark Ashura in Piraeus, near Athens, Greece September 10, 2019. REUTERS/Costas Baltas TPX IMAGES OF THE DAY

A Shi'ite Muslim mourner uses a knife to gash his head during a Muharram procession to mark Ashura in Ahmedabad, India, September 10, 2019. REUTERS/Amit Dave

A Shi'ite Muslim man uses a knife to gash a child's head during a Muharram procession to mark Ashura in Chennai, India, September 10, 2019. REUTERS/P. Ravikumar

Shi'ite Muslims chant slogans as they beat chests during the religious procession marking Ashura in Karachi, Pakistan September 10, 2019. REUTERS/Akhtar Soomro

A Shi'ite Muslim man flagellates during the religious procession marking Ashura, in Lahore, Pakistan, September 10, 2019. REUTERS/Mohsin Raza

A Shi'ite Muslim man is silhouetted against the sun as he flagellates with others during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

A boy holds a rifle as he attends a rally of Houthi movement supporters to mark the Ashura in Sanaa, Yemen September 10, 2019. REUTERS/Khaled Abdullah TPX IMAGES OF THE DAY

Shi'ite Muslim men raise hands as they chant slogans during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

Shi'ite Muslims sign and carry flags during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

A Shi'ite Muslim man flagellates with others during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

Shi'ite Muslim men put their hands up during the religious procession marking Ashura in Karachi, September 10, 2019. REUTERS/Akhtar Soomro

A Shi'ite Muslim man wears a religious pendant, stained in blood, as he beats his chest during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

Shi'ite Muslims sing and carry flags during the religious procession marking Ashura in Karachi, Pakistan, September 10, 2019. REUTERS/Akhtar Soomro

Iraqi Shi'ite Muslims burn a tent as they re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Kerbala, Iraq, September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen

Local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Kerbala, Iraq, September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen TPX IMAGES OF THE DAY

Iraqi Shi'ite Muslims gather around a tent as they re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Kerbala, Iraq, September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen

Shi'ite pilgrims gather during the religious festival of Ashura in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Thaier Al-Sudani

Iraqi Shi'ite Muslims gather as they re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Kerbala, Iraq, September 10, 2019. REUTERS/Abdullah Dhiaa Al-Deen

Shi'ite pilgrims gather during the religious festival of Ashura in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Thaier Al-Sudani

Shi'ite pilgrims gather during the religious festival of Ashura in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Thaier Al-Sudani

Shi'ite pilgrims gather during the religious festival of Ashura in the holy city of Kerbala, Iraq September 10, 2019. Picture taken with a slow shutter speed and a zoom effect. REUTERS/Thaier Al-Sudani

Shi'ite pilgrims gather during the religious festival of Ashura in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Thaier Al-Sudani

Shi'ite Muslim men flagellate themselves during a ceremony marking Ashura in the holy city of Kerbala, Iraq September 10, 2019. REUTERS/Thaier Al-Sudani

A Shi'ite Muslim man sharpens a knife to be used by Shias to flagellate themselves during an Ashura procession in the holy city of Kerbala, Iraq, September 10, 2019. REUTERS/Thaier Al-Sudani

Shi'ite Muslims take part in a Muharram procession to mark Ashura in Mumbai, India, September 10, 2019. REUTERS/Prashant Waydande

Shi'ite Muslims take part in a Muharram procession to mark Ashura in Mumbai, India, September 10, 2019. REUTERS/Prashant Waydande

An Iraqi girl reacts as she watches local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Najaf, Iraq, September 10, 2019. REUTERS/Alaa Al-Marjani

Local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Najaf, Iraq, September 10, 2019. REUTERS/Alaa Al-Marjani

Local actor dressed as ancient warrior re-enacts a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Najaf, Iraq, September 10, 2019. REUTERS/Alaa Al-Marjani

Local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in the holy city of Najaf, Iraq, September 10, 2019. REUTERS/Alaa Al-Marjani

Local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in Baghdad, Iraq, September 10, 2019. REUTERS/Khalid Al-Mousily

Local actors dressed as ancient warriors re-enact a scene from the 7th century battle of Kerbala during a ceremony marking Ashura in Baghdad, Iraq September 10, 2019. REUTERS/Khalid Al-Mousily

Followers of the Houthi movement rally to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Followers of the Houthi movement rally to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Followers of the Houthi movement rally to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Followers of the Houthi movement rally to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Followers of the Houthi movement carry a mock drone during a rally held to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Followers of the Houthi movement carry a mock drone during a rally held to mark the Ashura in Saada, Yemen September 10, 2019. REUTERS/Naif Rahma

Shi'ite Muslims attend a religious procession to mark the Shi'ite Ashura ceremony, in Beirut, Lebanon September 10, 2019. REUTERS/Aziz Taher

A supporter of Lebanon's Hezbollah chants slogans as he attends a religious procession to mark the Shi'ite Ashura ceremony, in Beirut, Lebanon September 10, 2019. REUTERS/Aziz Taher

Lebanon's Hezbollah parliament member, Ali Ammar, gestures as he attends a religious procession to mark the Shi'ite Ashura ceremony, in Beirut, Lebanon September 10, 2019. REUTERS/Aziz Taher

Shadow of a Shi'ite Muslim man is seen as he flagellates himself during a religious festival marking Ashura in Manama, Bahrain, September 10, 2019. REUTERS/ Hamad I Mohammed

Shi'ite Muslims beat themselves during a religious festival marking Ashura in Manama, Bahrain, September 9, 2019. Picture taken September 9, 2019. REUTERS/ Hamad I Mohammed

Lebanon's Hezbollah supporters gesture as they attend a religious procession to mark the Shi'ite Ashura ceremony, in Beirut, Lebanon September 10, 2019. REUTERS/Aziz Taher

Lebanon's Hezbollah leader Sayyed Hassan Nasrallah gestures as he addresses his supporters via a screen during the religious procession to mark the Shi'ite Ashura ceremony, in Beirut, Lebanon September 10, 2019. REUTERS/Aziz Taher