Children attend a Zoom-conference with Oleksandr Usyk, absolute world's heavyweight boxing champion, in the rehabilitation camp for children affected by war, organized by the Voices of Children charity foundation and financially supported by the Olena Zelenska Foundation in Uzhhorod, Ukraine, Tuesday, Aug. 27, 2024. (AP Photo/Efrem Lukatsky)

FILE - Ukrainian heavyweight boxing champion Oleksandr Usyk, poses for a photo, during an interview with The Associated Press in Valencia, Spain, Thursday, Nov. 9, 2023. (AP Photo/Jose Breton, File)

FILE - World Heavyweight boxing champion Oleksandr Usyk speaks during a visit to the Ukrainian House in Paris, France at the 2024 Summer Olympics, Monday, July 29, 2024. (AP Photo/Hanna Arhirova, File)