conflict, an active armed conflict, these things can happen anytime. >> reporter: here at the iaea, jose, they have had an operation center manned 24/7 since the war broke out late last late last are monitoring radiation sensors inside ukraine. they still have most of those intact, though the ones in chernobyl no longer transmitting data back here. they are speaking data to ukranian officials on the ground to get the very latest and make sure that the u.n. is prepared to respond if there is a nuclear incident that could potentially threaten civilians, jose. >> thank you so much. take a look at this live shot that we have in kyiv. right now this is happening. you can see the smoke, the area there at distance. this is in the ukraine capital. that's happening right now live.