Electric power has been restored to the besieged Zaporizhzhya nuclear plant in Ukraine, the head of the International Atomic Energy Agency (IAEA) has confirmed. “I’ve been informed by our team on site that external power to #Zaporizhzhya NPP is restored,” IAEA chief Rafael Grossi tweeted. “#ZNPP’s operator says this morning’s outage was caused by shelling damage to a far off sub-station, highlighting how precarious the situation is. We need a protection zone ASAP,” Grossi added. Earlier, Grossi had indicated that the Russian-occupied Zaporizhzhya nuclear plant had been cut off from its externa…