Russia’s invasion of Ukraine on Feb. 24, 2022, launched Europe’s biggest conflict since World War II. This photo gallery looks back at four years of war.

This is a photo gallery curated by AP photo editors.

Ukrainians crowd under a destroyed bridge as they try to flee by crossing the Irpin River on the outskirts of Kyiv, Ukraine, Saturday, March 5, 2022. (AP Photo/Emilio Morenatti, File)

Ukrainians crowd under a destroyed bridge as they try to flee by crossing the Irpin River on the outskirts of Kyiv, Ukraine, Saturday, March 5, 2022. (AP Photo/Emilio Morenatti, File)

Ukrainians crowd under a destroyed bridge as they try to flee by crossing the Irpin River on the outskirts of Kyiv, Ukraine, Saturday, March 5, 2022. (AP Photo/Emilio Morenatti, File)

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A man recovers items from a shop that caught fire in a Russian attack in Kharkiv, Ukraine, Friday, March 25, 2022. (AP Photo/Felipe Dana, File)

A man recovers items from a shop that caught fire in a Russian attack in Kharkiv, Ukraine, Friday, March 25, 2022. (AP Photo/Felipe Dana, File)

A man recovers items from a shop that caught fire in a Russian attack in Kharkiv, Ukraine, Friday, March 25, 2022. (AP Photo/Felipe Dana, File)

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Bodies are placed into a mass grave on the outskirts of Mariupol, Ukraine, Wednesday, March 9, 2022. (AP Photo/Evgeniy Maloletka, File)

Bodies are placed into a mass grave on the outskirts of Mariupol, Ukraine, Wednesday, March 9, 2022. (AP Photo/Evgeniy Maloletka, File)

Bodies are placed into a mass grave on the outskirts of Mariupol, Ukraine, Wednesday, March 9, 2022. (AP Photo/Evgeniy Maloletka, File)

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A Ukrainian police officer takes cover in front of a burning building that was hit in a Russian airstrike in Avdiivka, Ukraine, Friday, March 17, 2023. (AP Photo/Evgeniy Maloletka, File)

A Ukrainian police officer takes cover in front of a burning building that was hit in a Russian airstrike in Avdiivka, Ukraine, Friday, March 17, 2023. (AP Photo/Evgeniy Maloletka, File)

A Ukrainian police officer takes cover in front of a burning building that was hit in a Russian airstrike in Avdiivka, Ukraine, Friday, March 17, 2023. (AP Photo/Evgeniy Maloletka, File)

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A dog stands next to the body of an elderly woman killed inside a home in Bucha on the outskirts of Kyiv, Ukraine, Tuesday, April 5, 2022. (AP Photo/Felipe Dana, File)

A dog stands next to the body of an elderly woman killed inside a home in Bucha on the outskirts of Kyiv, Ukraine, Tuesday, April 5, 2022. (AP Photo/Felipe Dana, File)

A dog stands next to the body of an elderly woman killed inside a home in Bucha on the outskirts of Kyiv, Ukraine, Tuesday, April 5, 2022. (AP Photo/Felipe Dana, File)

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A Ukrainian MSLR BM-21 "Grad" rocket launcher of the 95 Air Assault brigade fires toward Russian positions on the front line near Kreminna, Ukraine, Thursday, March 9, 2023. (AP Photo/Evgeniy Maloletka, File)

A Ukrainian MSLR BM-21 “Grad” rocket launcher of the 95 Air Assault brigade fires toward Russian positions on the front line near Kreminna, Ukraine, Thursday, March 9, 2023. (AP Photo/Evgeniy Maloletka, File)

A Ukrainian MSLR BM-21 “Grad” rocket launcher of the 95 Air Assault brigade fires toward Russian positions on the front line near Kreminna, Ukraine, Thursday, March 9, 2023. (AP Photo/Evgeniy Maloletka, File)

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EDS NOTE: GRAPHIC CONTENT - FILE - The bodies of people lie half-buried in a mass grave in Motyzhyn close to Kyiv, Ukraine, Monday, April 4, 2022. (AP Photo/Efrem Lukatsky)

EDS NOTE: GRAPHIC CONTENT – FILE – The bodies of people lie half-buried in a mass grave in Motyzhyn close to Kyiv, Ukraine, Monday, April 4, 2022. (AP Photo/Efrem Lukatsky)

EDS NOTE: GRAPHIC CONTENT – FILE – The bodies of people lie half-buried in a mass grave in Motyzhyn close to Kyiv, Ukraine, Monday, April 4, 2022. (AP Photo/Efrem Lukatsky)

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A woman cries during the funeral ceremony of Ihor Kusochek, a Ukrainian soldier of the Azov brigade in Bobrovytsia, Chernihiv region, Ukraine, Friday, Oct. 4, 2024. (AP Photo/Evgeniy Maloletka, File)

A woman cries during the funeral ceremony of Ihor Kusochek, a Ukrainian soldier of the Azov brigade in Bobrovytsia, Chernihiv region, Ukraine, Friday, Oct. 4, 2024. (AP Photo/Evgeniy Maloletka, File)

A woman cries during the funeral ceremony of Ihor Kusochek, a Ukrainian soldier of the Azov brigade in Bobrovytsia, Chernihiv region, Ukraine, Friday, Oct. 4, 2024. (AP Photo/Evgeniy Maloletka, File)

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A woman navigates a debris-filled street where destroyed Russian military vehicles stand in Bucha on the outskirts of Kyiv, Ukraine, Sunday, April 3, 2022. (AP Photo/Rodrigo Abd, File)

A woman navigates a debris-filled street where destroyed Russian military vehicles stand in Bucha on the outskirts of Kyiv, Ukraine, Sunday, April 3, 2022. (AP Photo/Rodrigo Abd, File)

A woman navigates a debris-filled street where destroyed Russian military vehicles stand in Bucha on the outskirts of Kyiv, Ukraine, Sunday, April 3, 2022. (AP Photo/Rodrigo Abd, File)

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Ukrainian military doctors treat an injured comrade who was evacuated from the battlefield in a hospital in the Donetsk region, Ukraine, Monday, Jan. 9, 2023. The serviceman did not survive. (AP Photo/Evgeniy Maloletka, File)

Ukrainian military doctors treat an injured comrade who was evacuated from the battlefield in a hospital in the Donetsk region, Ukraine, Monday, Jan. 9, 2023. The serviceman did not survive. (AP Photo/Evgeniy Maloletka, File)

Ukrainian military doctors treat an injured comrade who was evacuated from the battlefield in a hospital in the Donetsk region, Ukraine, Monday, Jan. 9, 2023. The serviceman did not survive. (AP Photo/Evgeniy Maloletka, File)

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EDS NOTE: GRAPHIC CONTENT - FILE - A Ukrainian serviceman shouts to paramedics in front of the bodies of people killed after a Russian rocket attack on the food market in the city centrer of Kostiantynivka, Ukraine, Wednesday, Sept. 6, 2023. (AP Photo/Evgeniy Maloletka, File)

EDS NOTE: GRAPHIC CONTENT – FILE – A Ukrainian serviceman shouts to paramedics in front of the bodies of people killed after a Russian rocket attack on the food market in the city centrer of Kostiantynivka, Ukraine, Wednesday, Sept. 6, 2023. (AP Photo/Evgeniy Maloletka, File)

EDS NOTE: GRAPHIC CONTENT – FILE – A Ukrainian serviceman shouts to paramedics in front of the bodies of people killed after a Russian rocket attack on the food market in the city centrer of Kostiantynivka, Ukraine, Wednesday, Sept. 6, 2023. (AP Photo/Evgeniy Maloletka, File)

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Emergency tents are set up in a residential neighborhood where people can warm up following Russia's regular air attacks against the country's energy infrastructure that leave residents without power, water and heating in the dead of winter, in Kyiv, Ukraine, Thursday, Jan. 15, 2026. (AP Photo/Vladyslav Musiienko, File)

Emergency tents are set up in a residential neighborhood where people can warm up following Russia’s regular air attacks against the country’s energy infrastructure that leave residents without power, water and heating in the dead of winter, in Kyiv, Ukraine, Thursday, Jan. 15, 2026. (AP Photo/Vladyslav Musiienko, File)

Emergency tents are set up in a residential neighborhood where people can warm up following Russia’s regular air attacks against the country’s energy infrastructure that leave residents without power, water and heating in the dead of winter, in Kyiv, Ukraine, Thursday, Jan. 15, 2026. (AP Photo/Vladyslav Musiienko, File)

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A wounded Ukrainian soldier lies in a medical evacuation bus run by volunteers from the Hospitallers paramedic organization in Donetsk, Ukraine, on Wednesday, March 22, 2023. (AP Photo/Evgeniy Maloletka, File)

A wounded Ukrainian soldier lies in a medical evacuation bus run by volunteers from the Hospitallers paramedic organization in Donetsk, Ukraine, on Wednesday, March 22, 2023. (AP Photo/Evgeniy Maloletka, File)

A wounded Ukrainian soldier lies in a medical evacuation bus run by volunteers from the Hospitallers paramedic organization in Donetsk, Ukraine, on Wednesday, March 22, 2023. (AP Photo/Evgeniy Maloletka, File)

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Rescue workers carry an injured woman on a stretcher out of a house destroyed by a Russian airstrike in a residential neighbourhood in Kyiv, Ukraine, on Thursday, April 24, 2025. (AP Photo/Evgeniy Maloletka, File)

Rescue workers carry an injured woman on a stretcher out of a house destroyed by a Russian airstrike in a residential neighbourhood in Kyiv, Ukraine, on Thursday, April 24, 2025. (AP Photo/Evgeniy Maloletka, File)

Rescue workers carry an injured woman on a stretcher out of a house destroyed by a Russian airstrike in a residential neighbourhood in Kyiv, Ukraine, on Thursday, April 24, 2025. (AP Photo/Evgeniy Maloletka, File)

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Snow covers the photograph of a fallen Ukrainian serviceman in downtown Kyiv, Ukraine, Tuesday, March 12, 2024. (AP Photo/Vadim Ghirda, File)

Snow covers the photograph of a fallen Ukrainian serviceman in downtown Kyiv, Ukraine, Tuesday, March 12, 2024. (AP Photo/Vadim Ghirda, File)

Snow covers the photograph of a fallen Ukrainian serviceman in downtown Kyiv, Ukraine, Tuesday, March 12, 2024. (AP Photo/Vadim Ghirda, File)

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A person wounded in a Russian attack lies inside an ambulance before being taken to a hospital in Kherson, Ukraine, Thursday, Nov. 24, 2022. (AP Photo/Bernat Armangue, File)

A person wounded in a Russian attack lies inside an ambulance before being taken to a hospital in Kherson, Ukraine, Thursday, Nov. 24, 2022. (AP Photo/Bernat Armangue, File)

A person wounded in a Russian attack lies inside an ambulance before being taken to a hospital in Kherson, Ukraine, Thursday, Nov. 24, 2022. (AP Photo/Bernat Armangue, File)

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A man plants sunflowers in his garden between a damaged Russian tank and its turret in the village of Velyka Dymerka, Kyiv region, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky, File)

A man plants sunflowers in his garden between a damaged Russian tank and its turret in the village of Velyka Dymerka, Kyiv region, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky, File)

A man plants sunflowers in his garden between a damaged Russian tank and its turret in the village of Velyka Dymerka, Kyiv region, Ukraine, Wednesday, May 17, 2023. (AP Photo/Efrem Lukatsky, File)

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Multiple wounds can be seen on the face of Kostiantyn Bychek during a hospital visit in Kyiv, Ukraine, April 25, 2025. He was injured in a Russian strike. (AP Photo/Evgeniy Maloletka, File)

Multiple wounds can be seen on the face of Kostiantyn Bychek during a hospital visit in Kyiv, Ukraine, April 25, 2025. He was injured in a Russian strike. (AP Photo/Evgeniy Maloletka, File)

Multiple wounds can be seen on the face of Kostiantyn Bychek during a hospital visit in Kyiv, Ukraine, April 25, 2025. He was injured in a Russian strike. (AP Photo/Evgeniy Maloletka, File)

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Ukrainian servicemen walk through a charred forest along the front line, a few kilometers from Andriivka, Donetsk region, Ukraine, Saturday, Sept. 16, 2023. (AP Photo/Mstyslav Chernov, File)

Ukrainian servicemen walk through a charred forest along the front line, a few kilometers from Andriivka, Donetsk region, Ukraine, Saturday, Sept. 16, 2023. (AP Photo/Mstyslav Chernov, File)

Ukrainian servicemen walk through a charred forest along the front line, a few kilometers from Andriivka, Donetsk region, Ukraine, Saturday, Sept. 16, 2023. (AP Photo/Mstyslav Chernov, File)

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