. "Sumy" . "battle of Sumy" . "* Russia withdraws troops fromSumy Oblaston 4 April" . . . "separate advance" . . . "Battle of Sumy" . . "failed to take the oblast capital" . "attacked" . . . . "Battle of Sumy" . . . "104 Russians captured" . . "2022-04-04" . . . "Per Ukraine:" . . . . . . "100 tanks" . "never captured" . "Ukrainian victory" .