Well, yes. And its likely to happen again fairly soon, unless whover is actually running this war in Russia becomes much better at it.
9:45 EST 1 hr ago
How Ukraine’s recapture of key town advances their position
https://www.youtube.com/watch?v=X7mt_scU_K0
Retired Air Force Col. Cedric Leighton explains the significance of Russian forces retreating from Lyman, a strategic city for its operations in the east.