Ukraine's Zappos nuclear power plant has switched to emergency diesel generators after losing its external power supply for the 7th time since the Russian invasion. The head of the UN nuclear watchdog, the IAEA Raphael grocery says in a tweet, the nuclear safety situation at the plant is extremely vulnerable. We must agree to protect it now, this situation can not continue, grow seat appeals for the area to be spared from the fighting between Ukrainian and Russian troops IAEA staff are deployed at the plant, which is occupied by Russian forces, the plants 6 nuclear reactors are protected by a reinforced shelter able to withstand hits. But a disruption in the electrical supply could disable cooling systems essential for the reactor safety.