Russian forces have expanded offensive operations in Kharkiv Oblast, forcing Ukraine to deploy more reserve troops, Commander-in-Chief Oleksandr Syrskyi said on May 17. In a post on Telegram, Syrski said Moscow’s troops had failed to make a breakthrough but acknowledged there will be “tough battles ahead.” Moscow launched a new offensive with 30,000 troops on May 10, targeting Kharkiv Oblast, which is situated at the border with Russia in northeastern Ukraine. Russian troops have focused their efforts in the directions of Lyptsi and Vovchansk, two settlements a few kilometers south of the bord…