Russia’s summer offensive in Ukraine is faltering just weeks after it began, despite a record number of attacks across multiple fronts. Data analysis by The Telegraph shows Moscow is on track to break its own record, which was set last month, for offensive operations in June. Yet the sheer volume of assaults has not translated into meaningful breakthroughs on the battlefield. The offensive – launched in May but planned over the winter – stretches from the northern border regions of Sumy and Kharkiv to the front lines in Donetsk and Dnipropetrovsk, into which Russian forces are attempting to break for...