A poster of Iraq's top Shi'ite cleric, Grand Ayatollah Ali al-Sistani, is seen at the high-rise building, called by Iraqi the Turkish Restaurant Building, during ongoing anti-government protests in Baghdad, Iraq February 9, 2020. REUTERS/Thaier al-Sudani

Iraqi demonstrators display a poster of Iraq's top Shi'ite cleric, Ayatollah Ali al-Sistani outside the tent during ongoing anti-government protests in Najaf, Iraq February 6, 2020. Picture taken February 6, 2020. REUTERS/Alaa al-Marjani

A poster of Iraq's top Shi'ite cleric, Grand Ayatollah Ali al-Sistani, is seen as Iraqi demonstrators stand at the high-rise building, called by Iraqi the Turkish Restaurant Building, during ongoing anti-government protests in Baghdad, Iraq January 26, 2020. REUTERS/Thaier al-Sudani

Iranian President Hassan Rouhani waves after meeting Grand Ayatollah Ali al-Sistani in Najaf, Iraq, March 13, 2019 . REUTERS/Alaa Al-Marjani

Supporters of the Al Sairun Party, which is backed by the Iraqi Shi'ite cleric Moqtada al-Sadr, hold a poster of Iraq's top Shi'ite cleric, Grand Ayatollah Ali al-Sistani, while attending a campaign rally, ahead of the parliamentary election in Baghdad, Iraq May 4, 2018. REUTERS/Alaa al-Marjani

Sheikh Abdul Mehdi AL-Karbala'i speaks while delivering the text of a sermon by Iraq's top Shi'ite cleric Grand Ayatollah Ali al-Sistani, during Friday prayers at the Imam Hussein shrine in the holy city of Kerbala, Iraq May 4, 2018. REUTERS/Abdullah Dhiaa Al-Deen

Shi'ite Muslims listen to Sheikh Abdul Mehdi Al-Karbala'i speak as he delivers the text of a sermon by Iraq's top Shi'ite cleric Grand Ayatollah Ali al-Sistani, during Friday prayers at the Imam Hussein shrine in the holy city of Kerbala, Iraq May 4, 2018. REUTERS/Abdullah Dhiaa Al-Deen

Iraqi Prime Minister Haider al-Abadi speaks to reporters after a meeting with the top Shiite cleric, Grand Ayatollah Ali al-Sistani, in the Shiite holy city of Najaf, south of Baghdad, October 20, 2014. REUTERS/Alaa Al-Marjani/File Photo

Lebanon's Hezbollah leader Sayyed Hassan Nasrallah (R) meets with Sayyed Jawad al-Shahristani, the official representative of Iraq's top Shi'ite cleric Grand Ayatollah Ali al-Sistani, in this handout picture released by Hezbollah Media office on April 16, 2016. REUTERS/Hezbollah Media office/Handout via Reuters ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS.

Iraqi people shout slogans during a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

Iraqi people shout slogans during a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

Iraqi men hold a banner as they take part in a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

Riot police stand in front of protesters during a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

Iraqi men hold a banner as they take part in a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

A man covers himself with pictures of Iraqi government officials during a demonstration against the poor quality of basic services, power outages and calling for the trial of corrupt politicians in Baghdad, Iraq, September 11, 2015. Iraq's most influential Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday praised government reforms but said they should be sped up and warned against the process being derailed. Following street protests and previous calls from Sistani for bold action, Prime Minister Haider al-Abadi has implemented a series of reforms aimed at combating the graft and mismanagement that have made Iraq nearly impossible to govern. REUTERS/Ahmed Saad

Iraqi people shout slogans during a demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Kerbala, southwest of Baghdad, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Mushtaq Muhammed

Iraqi security forces try to block off demonstrators during a demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Kerbala, southwest of Baghdad, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Mushtaq Muhammed

A protester uses his cell phone to take a photo during a demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Protesters display a huge Iraqi flag during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Iraqi people shout slogans during a demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Protesters display a huge Iraqi flag during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Riot policemen stand in front of protesters during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Riot policemen stand in front of protesters during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Riot policemen stand in front of protesters during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

Riot policemen stand in front of protesters during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

An Iraqi protester kisses a picture of German Chancellor Angela Merkel during demonstration against the poor quality of basic services, power outages and calling for trial of corrupt politicians in Baghdad, Iraq, September 4, 2015. Iraq's top Shi'ite Muslim cleric, Grand Ayatollah Ali al-Sistani, on Friday called for the prosecution of the most senior officials suspected of corruption and the retrieval of stolen funds. REUTERS/Ahmed Saad

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, in Kerbala, southwest of Baghdad, August 14, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on parliament and Prime Minister Haider al-Abadi on Friday to focus their anti-corruption campaign first on improving the judiciary. REUTERS/Mushtaq Muhammed

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, in Kerbala, southwest of Baghdad, August 14, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on parliament and Prime Minister Haider al-Abadi on Friday to focus their anti-corruption campaign first on improving the judiciary. REUTERS/Mushtaq Muhammed

Protesters display a huge Iraqi flag during a demonstration against corruption and poor services in regard to power cuts and water shortages, in Kerbala, southwest of Baghdad, August 14, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on parliament and Prime Minister Haider al-Abadi on Friday to focus their anti-corruption campaign first on improving the judiciary. REUTERS/Mushtaq Muhammed

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

A member of the Iraqi security forces stands guard on the top of a building during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

Riot police stand in front of protesters during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

Riot police stand in front of protesters during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. The banner reads "We are all with Haider al-Abadi". REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

People shout slogans during a demonstration to show support for Iraqi Prime Minister Haider al-Abadi at Tahrir Square in central Baghdad, August, 9, 2015. Iraqi Prime Minister al-Abadi won the support of his cabinet on Sunday to eliminate a layer of senior government positions, part of a push to reduce corruption and save money in the face of mounting unrest. After weeks of protests demanding better government and a call by leading Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani for tougher action, Abadi proposed cancelling Iraq's multiple vice president and deputy prime minister positions, currently shared out along sectarian lines. REUTERS/Ahmed Saad

Iraqi security forces stand in front of protesters during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, in Kerbala, southwest of Baghdad, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Mushtaq Muhammed

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, in Kerbala, southwest of Baghdad, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Mushtaq Muhammed

A protester wearing a Guy Fawkes mask takes part in a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

Iraqi men hold a banner as they take part in a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

Iraqi security forces stand guard on a street during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

Protesters display a huge Iraqi flag during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Ahmed Saad

Protesters display a huge Iraqi flag during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Ahmed Saad

Protesters display a huge Iraqi flag during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Ahmed Saad

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Ahmed Saad

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani

People shout slogans during a demonstration against corruption and poor services in regard to power cuts and water shortages, at Tahrir Square in central Baghdad, Iraq, August 7, 2015. Iraq's top Shi'ite Muslim cleric Grand Ayatollah Ali al-Sistani called on the prime minister on Friday to "strike with an iron fist" those who engage in corruption, adding his voice to protests against officials who many Iraqis blame for power cuts. Iraqis fed up with unreliable power in sweltering heat surpassing 50 degrees Celsius and years of corruption have demonstrated in Baghdad and cities in the south in recent weeks. REUTERS/Thaier Al-Sudani