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Ukraine rejects Russian demand for surrender in Mariupol

Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) The Brandberge sports hall is set up as a shelter for refugees from the Ukraine in in Halle an der Saale, Germany, Monday, March, 21, 2022. The Brandberge sports hall has room for around 300 refugees. (Klaus-Dietmar Gabbert/dpa via AP) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Theatre staff cook in the courtyard of the theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A Ukrainian soldier stands on the ruins after Russian shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Two refugee children from the Ukraine stand in front of a white board before their classes start in Berlin, Germany, Monday, March 21, 2022. Forty Ukrainian refugee children started their first day of elementary school in Berlin on Monday only weeks after they fled the war back home. The two private refugee classes were put together by two Berlin volunteers who managed to raise funds, get free class rooms. (AP Photo/Markus Schreiber) Firefighters try to extinguish a fire amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Serhii Volosovets, a commander in the Ukrainian Territorial Defense Forces, fires a pistol during a training camp for volunteers in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Families arrive at Kyiv's train station after leaving their homes in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) In this image from video provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskyy speaks from Kyiv, Ukraine, on Monday, March 21, 2022. (Ukrainian Presidential Press Office via AP) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman cleans up her kitchen from debris in an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Worker Ruslan Trishchuk, 40, smokes a cigarette while taking a break outside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Worker Ruslan Trishchuk, 40, moves a coffin to an oven inside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) An advertising billboard in front of a barricade in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Civilian volunteers attend a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing that occurred the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Worker Ruslan Trishchuk, 40, moves a coffin to an oven inside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Civilian volunteers carry unloaded rifles during a training camp of the Ukrainian Territorial Defense Forces in Brovary, northeast of Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Daryna Kovalenko, 19 , holds her dog Tim, while arriving at Kyiv's train station after leaving her home in Chernihiv, Ukraine, through a humanitarian corridor, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Worker Ruslan Trishchuk, 40, moves a coffin to an oven inside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A woman walks on a deserted street in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Volunteers cook in the courtyard of a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) Worker Ruslan Trishchuk, 40, moves a coffin to an oven inside the crematorium of Baikave cemetery in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Rodrigo Abd) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Volunteers prepare varenyky, stuffed dumplings, inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Slava Chikov, left, covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Residents attempt repairs on the shattered windows of an apartment block damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities. (AP Photo/Vadim Ghirda) Vasyl Nevolov, an internally displaced Ukrainian from Kyiv, rests inside a theatre in the city of Drohobych, western Ukraine, Monday, March 21, 2022. The theatre has become a meeting point, where artists, including those displaced from other parts of Ukraine, have turned their talents to making food for soldiers and others as part of a massive volunteer war effort across the country. (AP Photo/Bernat Armangue) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People carry wooden boards to cover the windows of a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) Slava Chikov covers the shattered window of his living room with a plastic sheet in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) A firefighter looks at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A woman measures a window before covering it with plastic sheets in a building damaged by a bombing the previous day in Kyiv, Ukraine, Monday, March 21, 2022. As Russia intensified its effort to pound Mariupol into submission, its ground offensive in other parts of Ukraine has become bogged down. Western officials and analysts say the conflict is turning into a grinding war of attrition, with Russia bombarding cities.(AP Photo/Vadim Ghirda) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People wait in a line at a special application point at the National Stadium in Warsaw, Poland, on Monday, March 21, 2022, to apply for Polish ID numbers that will entitle them to work and receive free health care and education. (AP Photo/Czarek Sokolowski) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A Ukrainian serviceman walks on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People wait in a line at a special application point at the National Stadium in Warsaw, Poland, on Monday, March 21, 2022, to apply for Polish ID numbers that will entitle them to work and receive free health care and education. (AP Photo/Czarek Sokolowski) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A Ukrainian serviceman walks on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People wait in a line at a special application point at the National Stadium in Warsaw, Poland, on Monday, March 21, 2022, to apply for Polish ID numbers that will entitle them to work and receive free health care and education. (AP Photo/Czarek Sokolowski) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A Ukrainian serviceman walks on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire near a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People wait in a line at a special application point at the National Stadium in Warsaw, Poland, on Monday, March 21, 2022, to apply for Polish ID numbers that will entitle them to work and receive free health care and education. (AP Photo/Czarek Sokolowski) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A Ukrainian serviceman walks on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man walks in his apartment ruined after the Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Firefighters extinguish a fire in a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Firefighters extinguish a fire at a shopping center following a bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) Refugees wait in a bus for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1,600 people, half of which are children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Refugees wait for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A view of shattered windows of a building after a shelling in Odesa, Ukraine, Monday, March 21, 2022. (AP Photo/Max Pshybyshevsky) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian soldiers and firefighters search for people under debris inside a shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) A man reacts standing near his house ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A man walks with his dog amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A man sweeps in his apartment ruined after Russian shelling in Kyiv, Ukraine, Monday, March 21, 2022. At least eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) Ukrainian firefighters extinguish smoke after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) A priest prays by the ruins of a destroyed shopping center after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Efrem Lukatsky) People examine the damage after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. Eight people were killed in the attack. (AP Photo/ (AP Photo/Efrem Lukatsky) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) People gather around a crater created by a bomb that heavily damaged buildings and cars in Kyiv, Ukraine, Sunday, March 20, 2022.(AP Photo/Rodrigo Abd) People look at the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) A clothing store inside a shopping center is seen heavily damaged after shelling, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) A man stays inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) A man stands with his bicycle amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Natacha, center, listens to a policeman while waiting with other neighbors to be cleared to enter their apartments damaged by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Irina Zubchenko walks with her dog Max amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian firefighters and servicemen search for people under debris inside a shopping center after bombing in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/Felipe Dana) People gather amid the destruction caused after shelling of a shopping center, in Kyiv, Ukraine, Monday, March 21, 2022. (AP Photo/ (AP Photo/Rodrigo Abd) Ukrainian bomb squad inspect the site of an explosion after bombing in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Felipe Dana) Bogdana, 17, laughs with her boyfriend, Ivan, 19, in Brovary, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A woman waits for customers in a street market in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) A resident stands with her dog next to a destroyed building after a bombing in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) A woman comforts a boy while refugees wait for Ukrainian police to check their papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. (AP Photo/Vadim Ghirda) Woman pray inside the "Transfiguration of Jesus" Orthodox Cathedral, in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) Ukrainian servicemen attend the funeral ceremony of marine Alexandr Khovtun, in Kyiv, Ukraine, Sunday, March 20, 2022. Khovtun died in combat in the town of Huta-Mezhyhirska, north of Kyiv. (AP Photo/Felipe Dana) A Ukrainian serviceman stands outside a bunker on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) A refugee cries on a bus while waiting for Ukrainian police to check papers and belongings in Brovary, Ukraine, Sunday, March 20, 2022, after 1600 people of which 843 children, according to authorities, were evacuated from the village of Bobrik, reportedly under Russian military control. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Utensils are seen inside a damaged kitchen at an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) Damages are seen in an apartments building hit by shelling in Kharkiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Andrew Marienko) In this satellite photo from Planet Labs PBC, multiple civilian buildings burn amid Russian strikes on the Livoberezhnyi District of Mariupol, Ukraine, Sunday, March 20, 2022. Ukrainian authorities said Sunday that Russia's military bombed an art school sheltering some 400 people in the port city of Mariupol, where heavy street fighting was underway weeks into a devastating Russian siege. (Planet Labs PBC via AP) A neighbor stands amid the destruction caused by a bomb in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) Natacha stands inside her destroyed apartment after bombing in Satoya neighborhood in Kyiv, Ukraine, Sunday, March 20, 2022. (AP Photo/Rodrigo Abd) A Ukrainian police officer offer tulips to female travelers at a checkpoint on the outskirts of Kyiv, Ukraine, Sunday, March 20, 2022. Russian forces pushed deeper into Ukraine's besieged and battered port city of Mariupol on Saturday, where heavy fighting shut down a major steel plant and local authorities pleaded for more Western help. (AP Photo/Vadim Ghirda) Ukrainians escaping from the besieged city of Mariupol along with other passengers from Zaporizhzhia arrive at Lviv, western Ukraine, on Sunday, March 20, 2022. (AP Photo/Bernat Armangue) A mother embraces her son who escaped the besieged city of Mariupol and arrived at the train station in Lviv, western Ukraine on Sunday, March 20, 2022. (AP Photo/Bernat Armangue)