in a training compound behind a plant, after it reportedly came under attack by russia. tonight, the international atomic and energy agency, says no central equipment has been damaged. the white house says its latest information showed no signs of elevated levels of radiation. the fire at the nuclear plant it comes as russia steps up its attacks, on several areas across ukraine. earlier tonight, one security analyst explained why the strike on this power plant is so concerning. >> this is unprecedented. a nuclear power plant has never come under direct attack, there are international conventions to prohibit such attacks. this is yet another violation of international law and international -- by russia. let's go right to cal perry in lviv, ukraine. cal, we know you're not in the same areas the plant. you're following the story, what do you know? >> at this hour, we understand that the plant is secure, as the iea has said that the