People wait in a traffic jam as they leave the city of Kharkiv, February 24, 2022. REUTERS/Antonio Bronic

Servicemen of the Ukrainian National Guard take positions in central Kyiv as Russian forces advanced toward the capital, February 25, 2022. REUTERS/Gleb Garanich

Smoke and flames rise over during the shelling near Kyiv, February 26, 2022. REUTERS/Gleb Garanich

People take cover as an air-raid siren sounds, near an apartment building damaged by recent shelling in Kyiv, February 26, 2022. REUTERS/Gleb Garanich

Ukrainian servicemen walk by a damaged vehicle, at the site of fighting with Russian troops, in Kyiv, February 26, 2022. REUTERS/Valentyn Ogirenko

Ukrainian servicemen walk by a damaged vehicle, at the site of fighting with Russian troops, in Kyiv, February 26, 2022. REUTERS/Valentyn Ogirenko

A civilian trains to throw Molotov cocktails to defend the city, in Zhytomyr, Ukraine, March 1, 2022.  REUTERS/Viacheslav Ratynskyi

Local residents look for cover as they escape from the town of Irpin, after heavy shelling on the only escape route used by locals, while Russian troops advance towards the capital of Kyiv, in Irpin, near Kyiv, Ukraine March 6, 2022. REUTERS/Carlos Barria

Olga hugs her boyfriend Vlodomyr as they say goodbye prior to Vlodomyr’s deployment closer to the front line, at the train station in Lviv, Ukraine, March 9, 2022. REUTERS/Kai Pfaffenbach

A Ukrainian soldier hides from a helicopter airstrike near Demydiv, Ukraine, March 10, 2022.  REUTERS/Maksim Levin

Ukrainian soldiers walk past a monument of the city founder Duke de Richelieu, covered with sand bags for protection in Odessa, Ukraine, March 10, 2022. REUTERS/Alexandros Avramidis

A tear drop rolls down a young woman's cheek aboard a bus after fleeing from Ukraine to Romania, following Russia's invasion of Ukraine, at the border crossing in Siret, Romania, March 16, 2022. REUTERS/Clodagh Kilcoyne

Tetiana Chornovol, a former member of the Ukrainian Parliament, now a service member and operator of an anti-tank guided missile weapon system, pulls an anti-tank missile out of a car at a position on the front line, in the Kyiv region, March 20, 2022. REUTERS/Gleb Garanich

A man walks past a fire after a shelling in Kharkiv, Ukraine March 25, 2022.  REUTERS/Oleg Pereverzev

A Ukrainian serviceman hugs his mother Larysa Kolesnyk, 82, after she was evacuated from Irpin town, on the outskirts of Kyiv, Ukraine, March 30, 2022. REUTERS/Zohra Bensemra

A service member of pro-Russian troops sits next to a body of a serviceman killed in fighting in the city of Mariupol, Ukraine, March 31, 2022.  REUTERS/Chingis Kondarov

Ukrainian servicemen pose for a picture near a destroyed bridge in the town of Irpin outside Kyiv, April 1, 2022. REUTERS/Gleb Garanich

A soldier takes a photograph of his comrade as he poses beside a destroyed Russian tank and armored vehicles, in Bucha, in Kyiv region, Ukraine, April 2, 2022. REUTERS/Zohra Bensemra

A body with hands bound by white cloth, who according to residents was shot by Russian soldiers, lies on the street in Bucha, Ukraine, April 3, 2022. REUTERS/Zohra Bensemra

A Ukrainian service member walks in a front of the Antonov An-225 Mriya cargo plane, the world's biggest aircraft, destroyed by Russian troops, at an airfield in the settlement of Hostomel, in Kyiv region, Ukraine, April 3, 2022. REUTERS/Gleb Garanich

A dog lies next to the body of a civilian, who according to residents was killed by Russian soldiers, in Bucha, Kyiv region, Ukraine, April 3, 2022. REUTERS/Stringer

A view shows buildings damaged in the southern port city of Mariupol, Ukraine, April 3, 2022. REUTERS/Stringer

A woman carries her cat as she walks past buildings that were destroyed by Russian shelling in Borodyanka, in the Kyiv region, Ukraine, April 5, 2022. REUTERS/Zohra Bensemra

A young man eats inside a subway car, as residents find shelter from shelling in a metro station, in Kharkiv, Ukraine, April 11, 2022. REUTERS/Alkis Konstantinidis

An armored vehicle of pro-Russian troops is seen in the street in the southern port city of Mariupol, Ukraine, April 11, 2022. REUTERS/Chingis Kondarov

A view shows a torn flag of Ukraine hung on a wire in front an apartment building destroyed in the southern port city of Mariupol, Ukraine, April 14, 2022. REUTERS/Alexander Ermochenko

Yana Bachek is consoled by her partner, Yevgeniy Vlasenko, and her mother, Lyubov Gubareva, as she mourns over the body of her father, Victor Gubarev, 79, killed by shelling in Kharkiv, Ukraine, April 18, 2022. REUTERS/Alkis Konstantinidis

A woman reacts as she says goodbye to her serviceman husband before he leaves to the frontline in Uzhhorod, Ukraine, April 26, 2022. REUTERS/Serhii Hudak

A body of a woman is seen lying on the floor inside her house, in the town of Bucha, outside Kyiv, Ukraine, April 6, 2022.       REUTERS/Oleg Pereverzev

A view shows residential buildings destroyed in the town of Irpin, outside Kyiv, Ukraine, April 29, 2022. REUTERS/Valentyn Ogirenko

A child stands on a destroyed Russian tank near Makariv, Kyiv region, Ukraine, May 7, 2022. REUTERS/Mikhail Palinchak

Ukrainian servicemen carry bodies of Russian soldiers before putting them in a refrigerated rail car, in Kyiv, Ukraine, May 13, 2022. REUTERS/Valentyn Ogirenko

Service members of the Ukrainian armed forces, who surrendered at the besieged Azovstal steel mill in Mariupol, sit in a bus upon their arrival under esclort of the pro-Russian military in the settlement of Olenivka in the Donetsk region, Ukraine, May 20, 2022.   REUTERS/Alexander Ermochenko

A Ukrainian serviceman looks on from inside a tank at a position in Donetsk region, Ukraine, June 11, 2022. REUTERS/Stringer

Service members of pro-Russian troops are seen at a former fighting position of the Ukrainian armed forces outside the town of Svitlodarsk in the Donetsk region, May 25, 2022. REUTERS/Pavel Klimov

A Ukrainian service member with a dog observes in the industrial area of the city of Sievierodonetsk, June 20, 2022. REUTERS/Oleksandr Ratushniak

Kazelska Oksana, 45, reacts near the body of her mother-in-law, Alla Sochenko, 75, killed during a Russian military strike, in Kostiantynivka, July 9, 2022. REUTERS/Gleb Garanich

Sergii Veselyi, 51, speaks to his wife Svetlana, as he lies in an emergency vehicle after he was injured during shelling in Sloviansk, in Kramatorsk, Donetsk region, July 5, 2022. REUTERS/Marko Djurica

Local residents watch rescuers work as they wait for news about their relatives, who are under the rubble of a residential building damaged by a Russian military strike, in the town of Chasiv Yar, in Donetsk region, July 10, 2022. REUTERS/Gleb Garanich

A destroyed Russian tank is seen in a backyard garden of a local resident in the village of Velyka Dymerka, Kyiv region, Ukraine, July 22, 2022.  REUTERS/Valentyn Ogirenko

Buildings destroyed by military strikes are seen in northern Saltivka, one of the most damaged residential areas of Kharkiv, Ukraine, July 17, 2022. REUTERS/Nacho Doce

Mother of Ukrainian serviceman Abdulkarim Gulamov, who was killed in combat against Russian troops in Kherson region on July 17, holds a national flag during his funeral ceremony in Kyiv, July 21, 2022.  REUTERS/Valentyn Ogirenko

Ukrainian service members fire a shell from a M777 Howitzer at a frontline position in Kharkiv Region, July 21, 2022. REUTERS/Gleb Garanich

A Ukrainian serviceman takes cover as an air-raid siren sounds during a Russian drone strike, which local authorities consider to be Iranian-made unmanned aerial vehicles (UAVs) Shahed-136, in Kyiv, Ukraine, October 17, 2022.        REUTERS/Gleb Garanich

A local resident hugs Ukrainian serviceman as people celebrate after Russia's retreat from Kherson, in central Kherson, Ukraine, November 12, 2022.  REUTERS/Yevhenii Zavhorodnii

Local resident Nataliia Porkhun holds flowers to present them to Ukrainian service members in the recently retaken village of Kyselivka, outside of Kherson, Ukraine, November 12, 2022.       REUTERS/Valentyn Ogirenko

A view shows remains of MLRS shells used by Russian troops for military strikes of the city and collected by sappers in Kharkiv, Ukraine, November 29, 2022. REUTERS/Vitalii Hnidyi

Two soldiers with the 58th Independent Motorized Infantry Brigade of the Ukrainian Army who wanted to be identified as "Ghost", 24, and "Soap", 30, release their drone for a test flight, near Bakhmut, Ukraine, November 25, 2022. REUTERS/Leah Millis

A Russian fighter jet flies above a railway junction on fire following recent shelling in the town of Shakhtarsk (Shakhtyorsk) near Donetsk, Russian-controlled Ukraine, October 27, 2022. REUTERS/Alexander Ermochenko

A local resident Mykola, 70, climbs down with a stepladder from a bridge destroyed during Russia's invasion in the village of Kukhari in Kyiv region, Ukraine, April 19, 2022.  REUTERS/Vladyslav Musiienko

A wounded Ukrainian serviceman is moved in a pre-hospital medical aid center in Donetsk region, Ukraine, November 22, 2022.  Radio Free Europe/Serhii Nuzhnenko

Emergency personnel evacuate a woman at the site where an apartment block was heavily damaged by a Russian missile strike, in Dnipro, Ukraine, January 15, 2023. REUTERS/Clodagh Kilcoyne

U.S. President Joe Biden and Ukraine's President Volodymyr Zelenskiy embrace after their visit to the Wall of Remembrance to pay tribute to fallen Ukrainian soldiers, in Kyiv, Ukraine, February 20, 2023. REUTERS/Gleb Garanich

Ukrainian serviceman Volodymyr proposes to his girlfriend Viktoriia after she came to visit him, at the train station in Kramatorsk, Ukraine, March 15, 2023. REUTERS/Yan Dorbronosov

People visit the Wall of Remembrance to pay tribute to killed Ukrainian servicemen during a commemorative ceremony to mark the Volunteer Day honoring fighters, who joined the Ukrainian armed forces, in Kyiv, Ukraine, March 14, 2023. REUTERS/Gleb Garanich

Volunteers with Hospitallers give medical support to Ukrainian servicemen who were injured in Bakhmut, during their evacuation in an intensive care unit bus between Bakhmut towards a hospital in Dnipro, Ukraine, April 11, 2023.  REUTERS/Kai Pfaffenbach

Rescuers evacuate local residents from a flooded area after the Nova Kakhovka dam breached, in Kherson, Ukraine, June 7, 2023. REUTERS/Vladyslav Musiienko

A Ukrainian service member is seen near the front line near the newly liberated village Neskuchne in Donetsk region, Ukraine, June 13, 2023. REUTERS/Oleksandr Ratushniak

A girl with a national flag runs in front of the local Palace of Culture destroyed by a Russian military strike, in the town of Derhachi, Kharkiv region, Derhachi, Ukraine, June 17, 2023. REUTERS/Sofiia Gatilova

The body of a Russian soldier is seen near a destroyed Russian tank, near the front line in the newly liberated village Storozheve in Donetsk region, Ukraine, June 14, 2023. REUTERS/Oleksandr Ratushniak

A woman reacts as she visits at a makeshift memorial place with Ukrainian flags with the names of fallen service members at the Independence Square in Kyiv, Ukraine, September 26, 2023. REUTERS/Gleb Garanich

A body of a woman lies underneath a note bearing her name at a site of a Russian military strike, in the village of Hroza, in Kharkiv region, Ukraine, October 5, 2023. REUTERS/Sofiia Gatilova

Grandmother Olha hugs her granddaughter Arina, 6, while saying goodbye before her evacuation from the frontline city of Bakhmut, in Donetsk region, Ukraine, January 31, 2023. REUTERS/Oleksandr Ratushniak

Medics of the 5th Separate Assault Brigade help injured Ukrainian serviceman Mykhailo, 42, inside a medical stabilization point, near a frontline in the Donetsk region, Ukraine, November 9, 2023. REUTERS/Alina Smutko

A Ukrainian serviceman jumps on a 2S1 Gvozdika self-propelled howitzer at a position on a front line, in Zaporizhzhia region, Ukraine, November 15, 2023. REUTERS/Stringer

Medical workers treat a wounded local resident at the site where residential buildings were heavily damaged during a Russian missile attack in Kharkiv, Ukraine, January 23, 2024. REUTERS/Sofiia Gatilova

Paraska Demchuk, the mother of Ukrainian serviceman Oleksandr Matsievskyi, who was executed by Russian troops in 2022, talks about her son as she stands in his bedroom next to his uniform, in Nizhyn, Ukraine, November 24, 2023.  REUTERS/Thomas Peter

A Ukrainian serviceman of 80th Separate Galician Air Assault Brigade makes a snow angel in a bomb crater, at a position near Bakhmut in Donetsk region, Ukraine, January 25, 2024. REUTERS/Inna Varenytsia

A Ukrainian serviceman of 2 battalion 92nd brigade with the call sign "Myron", 21, is seen inside a dugout, at a position near Bakhmut in Donetsk region, Ukraine, January 10, 2024. REUTERS/Inna Varenytsia

A local resident with her dog sits near her residential building damaged during a Russian missile strike in Kyiv, Ukraine, February 7, 2024. REUTERS/Danylo Antoniuk

Ukrainian serviceman says goodbye to his wife who was visiting him during a short break from his frontline duty, at the train station in Kramatorsk, Ukraine, February 14, 2024. REUTERS/Inna Varenytsia

A Ukrainian serviceman carries a Leleka reconnaissance unmanned aerial vehicle after it flew at the front line in Zaporizhzhia region, Ukraine, February 15, 2024. REUTERS/Stringer