Armed servicemen of Donetsk People's Republic militia look at a photographer as they carry captured weapons in an area controlled by Russian-backed separatist forces in Mariupol, Ukraine, Friday, April 15, 2022. Mariupol, a strategic port on the Sea of Azov, has been besieged by Russian troops and forces from self-proclaimed separatist areas in eastern Ukraine for more than six weeks. (Photo by Alexei Alexandrov/AP Photo)





Military sappers carry an unexploded shell left after Russia's invasion near the village of Motyzhyn, in Kyiv region, Ukraine on April 10, 2022. (Photo by Mykola Tymchenko/Reuters)





US war veteran Steven Straub shows his tatto with the Ukranian flag as they patrol on a road near Buda-Babynetska, north of Kyiv, on April 5, 2022, days after Russian forces retreated from the area. (Photo by Ronaldo Schemidt/AFP Photo)





A serviceman stands next to the Illich Iron & Steel Works Metallurgical Plant, the second largest metallurgical enterprise in Ukraine, in an area controlled by Russian-backed separatist forces in Mariupol, Ukraine, Saturday, April 16, 2022. Mariupol, a strategic port on the Sea of Azov, has been besieged by Russian troops and forces from self-proclaimed separatist areas in eastern Ukraine for more than six weeks. (Photo by Alexei Alexandrov/AP Photo)





A Ukrainian soldier stands near an apartment ruined from Russian shelling in Borodyanka, Ukraine, Wednesday, April 6, 2022. (Photo by Efrem Lukatsky/AP Photo)





A Ukrainian soldier carries an unexploded Russian air bomb in the village of Kolonshchyna, Ukraine, Thursday, April 21, 2022. (Photo by Efrem Lukatsky/AP Photo)





An armed serviceman of Donetsk People's Republic militia walks past a building damaged during fighting in Mariupol, on the territory which is now under the Government of the Donetsk People's Republic control, eastern in Mariupol, Ukraine, Wednesday, April 13, 2022. (Photo by Alexei Alexandrov/AP Photo)





Ukrainian soldiers Anastasia and Vyacheslav embrace prior to their wedding ceremony in a city park in Kyiv, Ukraine, Thursday, April 7, 2022. (Photo by Efrem Lukatsky/AP Photo)





A Ukrainian army soldier walks after a military sweep to search for possible remnants of Russian troops after their withdrawal from villages in the outskirts of Kyiv, Ukraine, Friday, April 1, 2022. (Photo by Rodrigo Abd/AP Photo)





A female Ukrainian soldier crosses herself during an Orthodox Easter service in St. Volodymyr's Cathedral in Kyiv on April 24, 2022, two months after the start of Russia's invasion of Ukraine. (Photo by Dimitar Dilkoff/AFP Photo)





A Ukrainian soldier holds an Easter cake and an icon during a blessing ceremony on Easter eve at a military position outside Kyiv, Ukraine, Saturday, April 23, 2022. (Photo by Efrem Lukatsky/AP Photo)





A Ukrainian serviceman walks next to a fighting vehicle, outside Kyiv, Ukraine, Saturday, April 2, 2022. As he begins a second term as France's president, Emmanuel Macron has given the green light for the delivery of artillery pieces to Ukraine. (Photo by Vadim Ghirda/AP Photo)





Members of territorial defense take photos next to destroyed Russian armored personnel carriers on April 4, 2022 in Bucha, Ukraine. The Ukrainian government has accused Russian forces of committing a “deliberate massacre” as they occupied and eventually retreated from Bucha, 25km northwest of Kyiv. Dozens of bodies have been found in the days since Ukrainian forces regained control of the town. (Photo by Alexey Furman/Getty Images)





A member of the Ukrainian Territorial Defence Forces sits next to a destroyed car, amid Russia's attack on Ukraine, in Irpin, Kyiv region, Ukraine on April 18, 2022. (Photo by Zohra Bensemra/Reuters)





Ukrainian servicemen sing a patriotic song with buildings in the background that were destroyed during fighting between Ukrainian and Russian forces in Borodyanka, Ukraine, Tuesday, April 5, 2022. (Photo by Vadim Ghirda/AP Photo)