off the grid. the regulator says those two power lines do not connect directly with any safety equipment at the site, which obviously still contains a large amount of nuclear radioactive material. but what that is doing is making it extremely difficult for them to do repairs and do maintenance. there is a backup generator. the foreign minister said that generator lasted for about 48 hours. beyond that, there may be difficulties, there may be problems, according to the foreign minister. the other issue at that site, kate, is the fact that the staff there which, again, the site is under russian control now, the staff there have been working for 13 days straight. they are essentially living at the site. so ukraine's nuclear regulator, which again, is not controlling the site, had some words for the nuclear atomic energy agency