Alina Smutko/ReutersMobile and internet service from Ukraine’s largest telecommunications company went down on Tuesday following a Russian cyberattack that “partially destroyed” its IT infrastructure, CEO Oleksandr Komarov said. “We could not counter it at the virtual level, so we shut down Kyivstar physically to limit the enemy’s access,” he added. NetBlocks, a watchdog organization that monitors cybersecurity and global internet access, confirmed the news, showing that connectivity had “collap