Russian forces are moving to an overall strategic defense posture following a failed winter offensive, Andriy Yusov, spokesperson for Ukrainian military intelligence agency HUR, said on national television on April 20. "According to Yusov, the most combat-ready part of the Russian military has already been eliminated in Ukraine. counteroffensive in Kharkiv Oblast in September 2022, and the city of Kherson was later liberated in November 2022 after eight months of occupation