frederick pleitgen, what are you seeing today? >> reporter: john, russian military equipment moving to the frontline to kharkiv. some heavy vehicles moving in there and then also multiple rocket launchers as well. but i would say the big difference we've seen here from our vantage point from the russian side, and it meshes with the fact the fighting is growing more intense in kharkiv and more heavy strikes, a lot of really heavy rocket artillery fire coming from around here. in fact, i was hearing thuds and also russian warplanes have been in the air a lot over us the course of the day. we do know there have been several major impacts in kharkiv, an administration building hit, police headquarters hit as well, and the university building getting hit also today. a lot of heavy fighting. it seems as though right now as far as the conflict is concerned, as far as the russian invasion is concerned, that kharkiv seems to be one of their