Russian forces have intensified shelling in the Kharkiv direction, particularly in the Vovchansk area. In addition, the occupiers are concentrating troops and equipment there, according to the Operational-Tactical Group Kharkiv. “Since the beginning of the week, there has been a significant increase in the number of shellings by Russian occupiers in the operational zone of the Operational-Tactical Group Kharkiv. Over the past day alone, there have been 517 shellings of Ukrainian defenders’ positions,” the statement reads. The Russians are using artillery, mortars, and multiple rocket launch sy…