almost the entire luhnkk region is without water. barricaded at the steel plant can evacuate. ukraine says no humanitarian corridors have been agreed upon there just yet. and breaking overnight, a fuel depot inside russia is on fire. right now the cause of that fire remains unclear. cnn national security correspondent kylie atwood joinjoins us from the state department but let s start with matt rivers from kyiv. this is a visit they have been calling for for some time from the u.s., it has come. blinken and austin. i m wondering how ukrainians are reacting to it. reporter: gratitude, no doubt about it. a very positive reaction from ukrainian officials including from president zelenskyy himself who issued a statement after the