Russian forces breach Ukrainian defenses, advance near DPR's Katerinovka -- expert / Frontline report: Pokrovsk commander applies Kherson lessons to push back Russian forces / Russian forces destroy 655 combat aircraft in Ukraine operation -- top brass / Russian forces inch closer to Pokrovsk amid reduced assault intensity / Russian forces fighting in Kursk 'impressively, competently, courageously' -- Putin / Frontline report: Russian commanders handcuff soldiers to prevent desertion near Pokrovsk / ISW: Russian forces advance near Donetsk's Toretsk, Pokrovsk, Kurakhove, and Velyka Novosilka / Russian forces alter tactics in assault on Pokrovsk, attempt western flanking, military says / ISW: Russian forces recently advanced near Toretsk, Pokrovsk, Kurakhove in Donetsk Oblast / UK intel: Russian forces repelled at Chasiv Yar, but advancing in Toretsk through urban warfare