Russia launches ‘massive’ overnight attack on Ukraine power grid BBC.comRussia’s shifting tactics put unprecedented pressure on Ukraine’s already hobbled power system CNNRussia targets Ukrainian energy facilities with new barrage of missiles CBS NewsUkrainian drones knock out two substations near Zaporizhzhia nuclear power station, Russia-installed officials say ReutersRussia hammers Ukraine’s power grid again and Kyiv’s drones target more enemy oil depots Yahoo! Voices