streets, just filling the streets right there once again to block that russian advance. we are getting word that ukraine is asking the international atomic energy agency for immediate assistance to protect the nuclear sites for fear of what might happen if they fall into russian hands. a kremlin spokesperson said there will be a new round of talks with ukrainian negotiators. we do not yet know if the ukrainians will be there. a lot going on this morning. first go to cnn's alexander marquardt live in kyiv near the site, alex, of that attack on the tv tower we saw. go ahead. yeah, john. russia clearly stepping up attacks on communications and information infrastructure, in fact, announcing they would be targeting facilities in order to suppress what they called information attacks on russia.