An explosion is seen midair as Israel's Iron Dome anti-missile system intercepts a rocket launched from the Gaza Strip, as seen from near Sderot, Israel May 13, 2021. REUTERS/Amir Cohen TPX IMAGES OF THE DAY

Men carry the coffin of one of the victims of yesterday's explosion during a mass burial ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Men dig graves for the victims of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives mourn next to coffins of two victims of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Men carry the coffin of a victim of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives mourn next to coffins of two victims of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives mourn the victims of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives mourn next to a coffin of a victim of yesterday's explosion in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives attend a mass funeral ceremony for victims of yesterday's explosion in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Relatives pray next to a coffin of a victim of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Men carry the coffin of a victim of yesterday's explosion during a mass funeral ceremony in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Afghan men prepare victims' coffins for a mass funeral ceremony after yesterday's explosion in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

Afghan men carry the coffin of one of the victims of yesterday's explosion in Kabul, Afghanistan May 9, 2021. REUTERS/Stringer

A shoe is seen near the scene after suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

Paramedics at the Madina hospital push a soldier on a stretcher after he was injured in a suicide car explosion, at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A Somalian soldier pushes his colleague on a wheelchair at the Madina hospital after he was injured in a suicide car explosion, at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A woman carries her child at the Madina hospital after they were injured in a suicide car explosion, at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

Paramedics at the Madina hospital push a soldier on a stretcher after he was injured in a suicide car explosion, at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A Somalian soldier pushes his colleague on a wheelchair at the Madina hospital after he was injured in a suicide car explosion, at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A police officer stands guard to secure the scene after suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A motorbike taxi rides past the scene of a suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

Somalian security officers gather at the scene after suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A police officer stands guard at the scene after suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

Somalian security officers secure the scene after suicide car explosion at the Asluubta Prison in Darkenley district of Mogadishu, Somalia April 28, 2021. REUTERS/Feisal Omar

A member of Iraqi security forces walks at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. Picture taken April 25, 2021. REUTERS/Thaier Al-Sudani

People walk at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. Picture taken April 25, 2021. REUTERS/Thaier Al-Sudani

People inspect the site at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. Picture taken April 25, 2021. REUTERS/Thaier Al-Sudani

People inspect the site at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. Picture taken April 25, 2021. REUTERS/Thaier Al-Sudani

A member of Iraqi security forces stands guard at the main entrance of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

Members of Iraqi security forces stand guard at the main entrance of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

Medical staff members walk near the main entrance of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A medical staff member walks near the main entrance of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A military vehicle of Iraqi security forces is seen at the main entrance of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A tuk tuk driver waits for customers at the main entrance of Ibn Khatib hospital, where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A tuk tuk driver waits for customers at the main entrance of Ibn Khatib hospital, where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A tuk tuk driver waits for customers at the main entrance of Ibn Khatib hospital, where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

A tuk tuk driver waits for customers at the main entrance of Ibn Khatib hospital, where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 26, 2021. REUTERS/Thaier Al-Sudani

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. A participant holds a board with a reference to the 731st separate special protection battalion, which consisted of liquidators of the accident consequences. REUTERS/Valentyn Ogirenko

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. A participant holds a board with a reference to the 731st separate special protection battalion, which consisted of liquidators of the accident consequences. REUTERS/Valentyn Ogirenko

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

People attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

Ukrainian service members wearing protective face masks take part in a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

A woman attends a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

Members of the Ukrainian National Guard wearing protective face masks take part in a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

People lay flowers during a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

A woman reacts during a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

Ukrainian service members wearing protective face masks take part in a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

People wearing protective face masks attend a commemoration ceremony marking the 35th anniversary of the Chernobyl disaster at a memorial to firefighters and workers, who died following the explosion of a reactor at the Chernobyl Nuclear Power Plant, in Kyiv, Ukraine April 26, 2021. REUTERS/Valentyn Ogirenko

Cars are seen outside Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

People gather outside Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

A view shows the facade of a burnt building at Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

A member of Iraqi security forces closes a gate at Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

A view shows the exterior of Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

Members of Iraqi security forces stand guard outside Ibn Khatib hospital where a fire was sparked by an oxygen tank explosion, in Baghdad, Iraq, April 25, 2021. REUTERS/Saba Kareem

People look on at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. REUTERS/Thaier Al-Sudani TPX IMAGES OF THE DAY

People and medical staff members walk at Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. REUTERS/Thaier Al-Sudani

People gather outside Ibn Khatib hospital after a fire caused by an oxygen tank explosion in Baghdad, Iraq, April 25, 2021. REUTERS/Thaier Al-Sudani