Members of security forces stand guard near a billboard depicting Lebanon's former Prime Minister Rafik al-Hariri, who was killed in a 2005 suicide bombing, in Sidon, southern Lebanon, Lebanon August 18, 2020. REUTERS/Aziz Taher

A statue of Lebanon's assassinated former prime minister Rafik al-Hariri is seen near the site of the suicide truck bombing that killed him in 2005, in Beirut, Lebanon, August 18, 2020. REUTERS/Hannah McKay

A statue of Lebanon's assassinated former prime minister Rafik al-Hariri is seen near the site of the suicide truck bombing that killed him in 2005, in Beirut, Lebanon, August 18, 2020. REUTERS/Hannah McKay

A statue of Lebanon's assassinated former prime minister Rafik al-Hariri is seen near the site of the suicide truck bombing that killed him in 2005, in Beirut, Lebanon, August 18, 2020. REUTERS/Hannah McKay

A view shows a torch sculpture at the site of the 2005 suicide bombing that killed former Lebanese Prime Minister Rafik al-Hariri, in Beirut, Lebanon, August 18, 2020. REUTERS/Hannah McKay

A view shows a torch sculpture at the site of the 2005 suicide bombing that killed former Lebanese Prime Minister Rafik al-Hariri, in Beirut, Lebanon, August 18, 2020. REUTERS/Hannah McKay

A combination picture of the site of the 2005 suicide bombing that killed former Lebanese Prime Minister Rafik al-Hariri on February 15, 2005 and on August 14, 2020, in Beirut, Lebanon. REUTERS/Mohamed Azakir (left) and REUTERS/Alkis Konstantinidis

A view shows a torch sculpture at the site of the 2005 suicide bombing that killed former Lebanese Prime Minister Rafik al-Hariri, in Beirut, Lebanon August 14, 2020. Picture taken August 14, 2020. REUTERS/Alkis Konstantinidis

An Afghan man removes broken glass after a suicide bomb blast in Kabul, Afghanistan April 29, 2020. REUTERS/Omar Sobhani TPX IMAGES OF THE DAY

Indian Central Reserve Police Force (CRPF) personnel pay homage to their colleagues killed in a suicide bomb attack last year, in Lethpora in south Kashmir's Pulwama district February 14, 2020. REUTERS/Danish Ismail

Indian Central Reserve Police Force (CRPF) personnel pay homage to their colleagues killed in a suicide bomb attack last year, in Lethpora in south Kashmir's Pulwama district February 14, 2020. REUTERS/Danish Ismail

Sara Garfunkel, mother of the late state prosecutor Alberto Nisman, the lead investigator into the car bomb attack that killed 85 people at a Jewish community center in Buenos Aires, attends the commemorations of the fifth anniversary of his death in Plaza Vaticano, Buenos Aires, Argentina, January 18, 2020. The sign reads as "Justice you will seek! It wasn’t suicide it was an assassination." REUTERS/Mariana Greif

Demonstrators hold signs during the commemorations of the fifth anniversary of Alberto Nisman's death, the lead investigator into the car bomb attack that killed 85 people at a Jewish community center in Buenos Aires, in Plaza Vaticano, Buenos Aires, Argentina, January 18, 2020. The signs read: 'You will seek justice. It was not suicide, it was an assassination'. REUTERS/Mariana Greif

People set up a giant puppet with a sign as they attend the commemorations of the fifth anniversary of Alberto Nisman's death, the lead investigator into the car bomb attack that killed 85 people at a Jewish community center in Buenos Aires, in Plaza Vaticano, Buenos Aires, Argentina, January 18, 2020. The sign reads: 'It wasn't suicide, it was an assassination. You will seek justice'. REUTERS/Mariana Greif

Smoke rise after a suicide bomb blast in Kabul, Afghanistan November 13, 2019. REUTERS/Omar Sobhani

Smoke rises after a suicide bomb blast in Kabul, Afghanistan November 13, 2019. REUTERS/Omar Sobhani

An Afghan man removes broken glass after a suicide bomb blast in Kabul, Afghanistan November 13, 2019. REUTERS/Omar Sobhani

An Afghan man removes broken glass after a suicide bomb blast in Kabul, Afghanistan November 13, 2019. REUTERS/Omar Sobhani TPX IMAGES OF THE DAY

Men carry an injured person to a hospital after a suicide car bomb blast in Jalalabad, Afghanistan October 25, 2019.REUTERS/Parwiz

Men carry an injured person to a hospital after a suicide car bomb blast in Jalalabad, Afghanistan October 25, 2019.REUTERS/Parwiz

Afghan police officers keep watch at the site of a suicide car bomb blast in Jalalabad, Afghanistan October 25, 2019.REUTERS/Parwiz

Afghan National Army (ANA) soldiers arrive at the site of a suicide car bomb blast in Jalalabad, Afghanistan October 25, 2019.REUTERS/Parwiz

Afghan National Army (ANA) soldiers arrive at the site of a suicide car bomb blast in Jalalabad, Afghanistan October 25, 2019.REUTERS/Parwiz

Men carry a coffin as they take part in a burial ceremony of the victims of a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Mohammad Ismail

Men observe as they take part in a burial ceremony of the victims of a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Mohammad Ismail

Men take part in a burial ceremony of the victims of a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Mohammad Ismail

Afghan men comfort each other as they mourn during the funeral of their relatives after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan man gestures as he reacts during a mass burial ceremony of the victims of a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Mohammad Ismail

An Afghan cleric reads the holy Koran over the grave of a civilian during a burial ceremony after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Men shovel dirt as they take part in a burial ceremony of the victims of a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Mohammad Ismail

Afghan men carry the bodies of the victims during a mass funeral after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Afghan men dig grave during a mass funeral after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019.REUTERS/Omar Sobhani

An Afghan man mourns during the funeral of his son after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Afghans attend a mass funeral after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan man put flowers on a grave of his relative during a mass funeral after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan man holds flowers to put on a grave during a mass funeral after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan cleric prepares a dead body of a civilian for a burial ceremony after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan boy mourns during the funeral of his brother after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan boy mourns during the funeral of his brother after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Afghan men carry a person who mourns during the funeral of his brother after a suicide bomb blast at a wedding in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Afghan men hug each other as they mourn during the funeral of their relatives after a wedding suicide bomb blast in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

Afghan men mourn during the funeral of their relatives after a wedding suicide bomb blast in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani

An Afghan man mourns during the funeral of his brother after a wedding suicide bomb blast in Kabul, Afghanistan August 18, 2019. REUTERS/Omar Sobhani TPX IMAGES OF THE DAY

Somalia's Prime Minister Hassan Ali Khayre attend the burial of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government officials and Mohadmed Abdirahman Omar pray next to the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government soldiers pay their respect next to the flag draped casket with the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government officials and family members bury the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government officials pray next to the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government soldiers pay their respect next to the flag draped casket with the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government soldiers carry the flag-draped casket with the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Somali government soldiers carry the flag-draped casket with the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia August 4, 2019. REUTERS/Feisal Omar

Somali government soldiers carry the flag-draped casket with the dead body of Mogadishu Mayor Abdirahman Omar Osman who died while receiving treatment in Qatar after a suicide bomb attack in his offices in Mogadishu, Somalia, August 4, 2019. REUTERS/Feisal Omar

Police officers stand guard near the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

Forensic experts walk at the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

Forensic experts work at the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

A police officer directs tourists away from the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

Police officers stand guard near the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

Police officers secure the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi

An ambulance is seen near the site of a suicide bombing attack in downtown Tunis, Tunisia June 27, 2019. REUTERS/Zoubeir Souissi