The success of the Russian army in the northern part of the Kharkiv region was thwarted by the premature start of the offensive operations and the Russian command’s refusal to deploy maximum reserves, according to a report from the Institute for the Study of War (ISW). It is noted that on May 10, Russian forces managed to catch the Ukrainian Defense Forces off guard and achieve tactically significant successes in less defended areas of the Kharkiv region. ISW reminded that on May 25, the State Bureau of Investigation (DBR) of Ukraine announced the start of an investigation into the improper pr…