Russia downs dozens of drones as Kremlin warns NATO over Ukraine Al Jazeera EnglishUkraine claims major drone strike on Russian airfield, killing servicemen and destroying aircraft CNNRussia-Ukraine war: Millions of Ukrainians plunged into darkness after power grid strikes The Associated PressUkrainian forces rig machine gun networks to down Russian drones Defense NewsUkraine says it destroyed at least 6 Russian fighter jets in drone attack Business Insider