The corps said more than 30 Russian soldiers were captured during the operation and Russian forces suffered more than 100 casualties.

Russian forces launched a mass combined attack overnight with Iskander-M, S-400, Zircon, and Onyx missiles, as well as 210 drones of various types, including 110 jet-powered drones, the Air Force reported.

The number includes 2,250 casualties that Russian forces suffered over the past day.

Editor's note: Most of the Ukrainian soldiers and commanders interviewed are identified by their callsigns, in accordance with military protocols.

KHARKIV OBLAST — Ukrainian soldier Oleksandr had already narrowly survived crossing a mine-strewn field and a river in the crosshairs of Russian artillery when the swarm of first-person-view