Russian soldiers were snug in their sleeping bags, sleeping off a hard day of combat in a building presumably somewhere along the front line in eastern Ukraine when their slumber was interrupted. An explosive first-person-view drone operated by the elite Birds of Magyar unit slipped into the building—and struck the snoozing Russians,

Russian forces launched a massive drone attack overnight on Ukraine's Kharkiv region, injuring 21 people and damaging residential buildings and storage facilities, emergency services and officials said on Thursday.