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In this photo provided by the Ukrainian Emergency Service, an emergency worker extinguishes a fire after a Russian attack on the Trypilska thermal power plant in Ukrainka, Kyiv region, Ukraine, Thursday, April 11, 2024. (Ukrainian Emergency Service via AP)
A Ukrainian serviceman from Azov brigade known by call sign Ray, 20, prepares shells for the OTO Melara Mod 56 howitzer on the frontline in Kreminna direction, Donetsk region, Ukraine, Thursday, April 11, 2024. (AP Photo/Alex Babenko)
A Ukrainian serviceman from Azov brigade known by call sign Ray, 20, stands on his position on the frontline in Kreminna direction, Donetsk region, Ukraine, Thursday, April 11, 2024. (AP Photo/Alex Babenko)
In this photo provided by the Ukrainian Emergency Service, emergency workers extinguish a fire after a Russian attack on the Trypilska thermal power plant in Ukrainka, Kyiv region, Ukraine, Thursday, April 11, 2024. (Ukrainian Emergency Service via AP)
In this photo released by Russian Defense Ministry Press Service on Tuesday, April 9, 2024, Russian Army soldiers run to fire from flamethrowers toward Ukrainian positions at an undisclosed location in Ukraine. (Russian Defense Ministry Press Service via AP)
Ukrainian servicemen from the Azov brigade known by call sign Ray, left, and Kiss, right, rest in the trenches on the frontline in Kreminna direction, Donetsk region, Ukraine, Thursday, April 11, 2024. (AP Photo/Alex Babenko)
In this photo taken from video released by Russian Defense Ministry Press Service on Tuesday, April 9, 2024, Russian Army soldiers ride their armoured vehicle to take positions and fire from flamethrowers toward Ukrainian positions at an undisclosed location in Ukraine. (Russian Defense Ministry Press Service via AP)
A Ukrainian serviceman from Azov brigade known by call sign Kiss, smokes a pipe on the frontline in Kreminna direction, Donetsk region, Ukraine, Thursday, April 11, 2024. (AP Photo/Alex Babenko)