Ukrainian forces bypass Russian fortifications, cut supply lines, force withdrawal from Izium and Kupiansk

A book excerpt details the Kharkiv offensive operation, describing how Ukrainian Defense Forces bypassed Russian fortifications, severed supply lines, and compelled Russian withdrawal from Izium and Kupiansk. The account is retrospective and likely based on military reports, but the specific tactical details and outcomes are not independently verified in this item. This matters as it highlights Ukrainian operational effectiveness and potential vulnerabilities in Russian defensive positions.