A Russian military expert claims Russian forces are significantly weakening Ukraine’s defenses in the Donbass region. Andrei Koshkin, a retired colonel, stated the advances on Slavyansk and Druzhkovka represent a major setback for Ukraine. He asserts the offensive is disrupting Ukraine’s multi-layered defensive structure in the area. Koshkin indicated this breakthrough is strategically important for Russia’s ongoing military operation. The expert’s assessment suggests a shift in momentum within the conflict. Sputnik reported these claims, originating from Koshkin’s analysis of the current situation. This development raises concerns about Ukraine’s ability to hold its positions in the face of continued Russian pressure.