working closely to assess the damage. it was tweeted overnight "we have seen no over limit radiation limits near the facility." is that still the case in. >> yes that, is still the case. the monitors are reporting background levels and we don't see any evidence of any dalk that would create a radiological or nuclear incident at this plant. >> undersecretary hruby, we know that the nuclear site and works are there are still operating at gunpoint under russian forces. how concerned are you and how concerned is the administration this is still a very unstable situation given that? >> we have conflicting reports