Experts from the UN nuclear watchdog now at the plant were told by Ukrainian personnel that the site’s fourth operational 750 Kilovolt power line was down after three others had been lost earlier. However, IAEA experts also learned that a backup line connecting the power station to a nearby thermal power station was delivering electricity to the external grid. This backup line can also provide backup power to ZNPP if needed, he added. It comes after Ukrainian forces tried to seize the Zaporizhia nuclear power plant in an attack on the facility on Friday night, the Russian Defense Ministry said in its daily briefing. Russia claimed its forces repelled the attack using military helicopters and fighter jets, with 20 Ukrainians killed and the attack called off. Reuters, which reported the Russian claim, said it was unable to verify the report.