The russian prosecutor is threatening anyone who dares pittsburgh russian forces were responsible for all of that. the western view is very clearly, no one else could have been responsible for this atrocity because no one else was there. the concern by ukraine and other governments as well, what we re seeing in bucha is just a tiny window into what may have been happening across other areas that have been occupied by russia since the very beginning of this invasion. the south. we still don t know so much about the south. thank you so much for that very important reporting. let s go to the east now to cristiane amanpour. they warned that russian forces are preparing to try to seize kharkiv. reporter: indeed. that s why we re in a total blackout situation outside. 8:00 p.m. occur few as per usual. they don t want any lights going out. it is like a ghost town. not just at night but during the day as well. they are really afraid.