Russia has used a record number of ballistic missiles to target Ukraine's energy sector, President Volodymyr Zelensky has said. The combined missile and drone strikes hit power plants and infrastructure in Kyiv and multiple locations causing "the most powerful blow" so far this year, according to private energy company DTEK. The strikes were launched as temperatures dropped to -20C (-4F) and left more than 1,000 tower blocks in the capital without heating once again and damaged a power plant in the eastern city of Kharkiv beyond repair. Zelensky said Russia was "choosing terror and escalation" rather than diplomacy to end...