A South Korean army K2 tank fire smoke bombs during a live-fire military exercise which is a part of Defense Expo Korea (DX Korea) at a training field near the demilitarized zone separating the two Koreas in Pocheon, South Korea, September 20, 2022. REUTERS/Kim Hong-Ji 

Dancers Alina Cojocaru and Alexandr Trusch perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Ukrainian dancers perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Ukrainian dancers perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Dancers perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Dancers Vladyslav Bondar and Maria Shupilova perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Dancers Alina Cojocaru and Alexandr Trusch perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Ukrainian dancers perform during a dress rehearsal for 'Giselle', a show by the United Ukrainian Ballet and produced by Russian choreographer Alexei Ratmansky, at the Coliseum Theatre in London, Britain, September 13, 2022. REUTERS/Sarah Meyssonnier 

Boston Police Department's Bomb Squad, Boston Emergency Management Services and other law enforcement agencies respond after a package delivered to Holmes Hall at Northeastern University exploded, in Boston, Massachusetts, U.S., September 13, 2022. REUTERS/Nicholas Pfosi 

An area cordoned off as Boston Police Department's Bomb Squad, Boston Emergency Management Services and other law enforcement agencies respond after a package delivered to Holmes Hall at Northeastern University exploded, in Boston, Massachusetts, U.S., September 13, 2022. REUTERS/Nicholas Pfosi 

Boston Police Department's Bomb Squad, Boston Emergency Management Services and other law enforcement agencies respond after a package delivered to Holmes Hall at Northeastern University exploded, in Boston, Massachusetts, U.S., September 13, 2022. REUTERS/Nicholas Pfosi 

Boston Police Department's Bomb Squad, Boston Emergency Management Services and other law enforcement agencies respond after a package delivered to Holmes Hall at Northeastern University exploded, in Boston, Massachusetts, U.S., September 13, 2022. REUTERS/Nicholas Pfosi 

Boston Police Department's Bomb Squad, Boston Emergency Management Services and other law enforcement agencies respond after a package delivered to Holmes Hall at Northeastern University exploded, in Boston, Massachusetts, U.S., September 13, 2022. REUTERS/Nicholas Pfosi 

A demonstrator throws a molotov bomb during a protest marking the 49th anniversary of the 1973 Chilean military coup, in Santiago, Chile, September 11, 2022. REUTERS/Carlos Vera 

A demonstrator prepares to throw a molotov bomb during a protest marking the 49th anniversary of the 1973 Chilean military coup, in Santiago, Chile, September 11, 2022. REUTERS/Carlos Vera 

A demonstrator prepares to throw a molotov bomb during a protest marking the 49th anniversary of the 1973 Chilean military coup, in Santiago, Chile, September 11, 2022. REUTERS/Carlos Vera 

A demonstrator prepares to throw a molotov bomb against riot policemen during a protest marking the 49th anniversary of the 1973 Chilean military coup, in Santiago, Chile, September 11, 2022. REUTERS/Carlos Vera 

A white phosphorus munitions bomb hits target during a live-fire military exercise in Pingtung, Taiwan, September 7, 2022. REUTERS/Ann Wang 

A view shows debris in a hallway of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Principal Oksana Kapiika talks with teachers at a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teachers of a bombed-out school make last checks for online classes on computers before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Toys lie among the debris of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teacher Viktoria Poliakova checks a broken door of a classroom of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teacher Viktoria Poliakova stands in a classroom of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Objects lie on the ground among the debris of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teachers of a bombed-out school make last checks for online classes on computers before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teacher Viktoria Poliakova chats with her students, 5th grade student Arina Korchkova and 8th grade students Maksim Sluzhenko and Mykyta Dolganevich at a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Teacher Viktoria Poliakova looks at objects in a classroom of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

An employee cleans the debris of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

A view shows debris in a hallway of a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Broken windows of a bombed-out school are closed by wooden panels before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 31, 2022. REUTERS/Umit Bektas 

Lee Ung-su, 57, poses for photographs with rusty smoke bomb shell he collected a long while ago near a training field where a joint live-fire drills, known as Ulchi Freedom Shield (UFS), are conducted near the demilitarized zone separating two Koreas, in Pocheon, South Korea, August 31, 2022. REUTERS/Kim Hong-Ji 

Russian state TV presenter Dmitry Kiselyov attends a memorial service for journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin attends a memorial service for his daughter Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin mourns for his daughter Darya Dugina, who was killed in a car bomb attack, during a memorial service in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin attends a memorial service for his daughter Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Deputy Chairman of Russia's State Duma Sergei Neverov attends a memorial service for journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian politician Sergei Mironov attends a memorial service for journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Konstantin Malofeev, businessman and chairman of the board of directors of the Tsargrad media group, attends a memorial service for Russian journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

People attend a memorial service for Russian journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin delivers a speech during a memorial service for his daughter Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin attends a memorial service for his daughter Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin mourns for his daughter Darya Dugina, who was killed in a car bomb attack, during a memorial service in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Participants stand next to a coffin during a memorial service for Russian journalist Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Russian political scientist and ideologue Alexander Dugin delivers a speech during a memorial service for his daughter Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 23, 2022. REUTERS/Maxim Shemetov 

Principal Oksana Kapiika talks with a teacher at a bombed-out school before the start of a new school year on September 1, after the summer holidays, with classes being conducted online since Russia launched its military campaign in Mykolaiv, Ukraine, August 22, 2022. REUTERS/Umit Bektas 

Flowers and candles are placed next to a portrait of media commentator Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 22, 2022. REUTERS/Maxim Shemetov 

People gather at a makeshift memorial for media commentator Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 22, 2022. REUTERS/Maxim Shemetov 

People hold candles at a makeshift memorial for media commentator Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 22, 2022. REUTERS/Maxim Shemetov 

Flowers and candles are placed next to a portrait of media commentator Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 22, 2022. REUTERS/Maxim Shemetov 

Flowers and candles are placed next to a portrait of media commentator Darya Dugina, who was killed in a car bomb attack, in Moscow, Russia August 22, 2022. REUTERS/Maxim Shemetov 

Children stay in a bomb shelter following rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen 

People with their dog stay in a bomb shelter following rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen 

People sit at the entrance to a bomb shelter following rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen 

People stay in a bomb shelter following rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen 

Israelis sit in a bomb shelter following rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen 

Israeli children run inside a bomb shelter as a siren goes off indicating incoming rockets fired from Gaza towards Israel, in Ashkelon, Israel August 7, 2022. REUTERS/Amir Cohen