KYIV, Ukraine — Ukrainian drones struck a major Russian fuel depot for the second time in just over a week on Sunday, according to a senior Russian regional official, as part of a “massive” cross-border attack on fuel and energy facilities that Kyiv says supply Moscow’s military.

Russian forces have launched a large-scale attack on Ukraine using kamikaze drones, prompting an air-raid warning across the eastern half of the country. Source: Ukrainian Air Force on social media; online air-raid warning map Details: Groups of drones have been observed over Sumy Oblast,