In Kharkiv region, this means the Kupiansk sector and the Kupiansk-Lyman line." Russia has made slow progress in trying to secure all of the eastern regions of Donetsk and Luhansk, but has boosted attacks in several areas.... These include Kupiansk near Kharkiv, retaken by Ukraine in a drive through the northeast a year ago. Russian occupying forces have built solid fortifications and minefields of their own in areas they have held since pouring over the border in February 2022.... Ukrainian t