Shia

A police officer stands guard as Shia pilgrims make their way to the holy city of Kerbala, ahead of the holy Shia ritual of Arbaeen, in Baghdad, December 10, 2014. Arbaeen falls 40 days after the holy day of Ashura.

Ahmed Saad/Reuters

A police officer stands guard as Shia pilgrims head to the holy city of Kerbala, ahead of the holy Shia ritual of Arbaeen, in Baghdad on Wednesday. Arbaeen falls 40 days after the holy day of Ashura

A Myanmar Shiite Muslim child looks up w...A Myanmar Shiite Muslim child looks up while outside a mosque during a procession to mark the Ashura festival in Yangon on November 4, 2014. Ashura marks the peak of 10 days of mourning for the death of Imam Hussein, one of the most revered figures in Shiite Islam.     AFP PHOTO / Ye Aung THUYe Aung Thu/AFP/Getty Images

Ye Aung Thu/AFP/Getty

A Myanmar Shia Muslim child stands outside a mosque during a procession for the Ashura festival in Yangon. Ashura marks the peak of 10 days of mourning for the death of Imam Hussein, one of the most revered figures in Shiite Islam 

Iraqi Shiite Muslim worshipers self-flagellate during a ceremony marking Ashura, which commemorates the seventh century slaying of Imam Hussein, the grandson of Prophet Mohammed, in the mainly Shiite southern city of Basra on November 3, 2014.

Haidar Mohammed/AFP

Iraqi Shia Muslims self-flagellate in Basra during a ceremony to mark Ashura, which commemorates the seventh century slaying of Imam Hussein, the grandson of Prophet Mohammed.

Shiite fighters seized control of the capital Sana a...epa04411989 Gunmen of the Shiite Houthi movement shout anti-Government slogans as they stand on a hill overlooking the capital  after they consolidated their foothold in Sana'a, Yemen, 22 September 2014. Reports state the Yemeni government and Shiite Houthi rebels on 21 September signed a UN-brokered ceasefire hours after Houthi insurgents captured major state institutions in the Arabian Peninsula country's worst crisis in three years.  The deal, including calls for an immediate ceasefire, the formation of a national unity government and economic reforms, was announced after four days of heavy fighting in Sana'a, pitting the Houthis against Sunni rivals backed by government forces.

Yahya Arhab/EPA

Gunmen of the Shia Houthi movement shout anti-Government slogans as they stand on a hill overlooking the capital after they consolidated their foothold in Sana’a, Yemen on Monday

Asaib Ahl al-Haq Shi'ite militia fighters from the south of Iraq and Kurdish peshmerga forces walk with their weapons as they take control of Sulaiman Pek from the Islamist State militants, in the northwest of Tikrit city...Asaib Ahl al-Haq Shi'ite militia fighters from the south of Iraq and Kurdish peshmerga forces walk with their weapons as they take control of Sulaiman Pek from the Islamist State militants, in the northwest of Tikrit city September 1, 2014.

Youssef Boudlal/Reuters

Asaib Ahl al-Haq Shia militia fighters from the south of Iraq and Kurdish peshmerga forces walk with their weapons as they take control of Sulaiman Pek from the Islamist State militants, in the northwest of Tikrit city

Iraqi Shias clean the grave of a relative at one of the world's biggest cemeteries in the holy city of Najaf, on July 29, 2014, during the Eid al-Fitr celebrations marking the end of the Muslim fasting month of Ramadan.

Haidar Hamdan/AFP

Iraqi Shias clean the grave of a relative at one of the world’s biggest cemeteries in the holy city of Najaf, on Tuesday in Iraq

Shiite volunteers from the Iraqi Ketaeb (brigade) Hezbollah, march as they join the Iraqi army to fight against Jihadist militants of the Islamic State (IS), formerly known as the Islamic State in Iraq and the Levant (ISIL), on July 9, 2014, in Baghdad.. Iraq's government once battled entrenched Shiite militiamen but is now making common cause with them against a jihadist-led onslaught that Baghdad's forces are struggling to contain on their own.

Ahmad Al-Rubaye/AFP

Shia volunteers from the Iraqi Ketaeb (brigade) Hezbollah, march as they join the Iraq army to fight against Jihadist militants of the Islamic State, formerly known as the Islamic State in Iraq and the Levant (Isis), on Wednesday, in Baghdad

Newly-recruited Iraqi volunteers, wearing police forces uniforms, take part in a training session on June 17, 2014 in the central Shiite Muslim city of Karbala. Faced with a militant offensive sweeping south toward Baghdad, Prime Minister Nuri al-Maliki announced on June 15, 2014 that the Iraqi government would arm and equip civilians who volunteer to fight, and thousands have signed up.

Mohammed Sawaf/AFP

Newly recruited Iraqi volunteers, wearing police force uniforms, take part in a training session on Tuesday in the central Shia Muslim city of Karbala

Shiite tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant (ISIL) in Basra, Iraq's second-largest city, 340 miles (550 kilometers) southeast of Baghdad, Iraq, Monday, June 16, 2014. Sunni militants captured a key northern Iraqi town along the highway to Syria early on Monday, compounding the woes of Iraq's Shiite-led government a week after it lost a vast swath of territory to the insurgents in the country's north.

Nabil Al-Jurani/AP

Shia tribal fighters raise their weapons and chant slogans against the al-Qaida-inspired Islamic State of Iraq and the Levant in Basra, Iraq’s second-largest city, 340 miles (550 kilometers) southeast of Baghdad, Iraq

Yemeni female followers of the Shiite Houthi movement hold a picture of late Shiite leader Ahmed Sharafeddin, during a protest demanding the dismissal of the government in Sana'a, Yemen, 23 January 2014. Reports state thousands of followers of the Shiite Houthi movement took to the streets to demand the dismissal of the government two days after unidentified gunmen killed Shiite leader Ahmed Sharafeddin, a representative of the Shiite Houthi movement in Yemen's national dialogue talks.

Yahya Arhab/EPA

Female followers of the Shia Houthi movement hold a picture of late Shia leader Ahmed Sharafeddin, during a protest demanding the dismissal of the government in Sana’a, Yemen.