on the phone with putin today, urging him to end all operations and protect nuclear sites. all leaders reported putin did not agree to end the attacks. ukrainian president zelenskyy is once again pressing the west for help to protect his airspace from russian bombers. the u.s. is now in talks with poland on a possible deal to send poland s old russian-made mig fighters to ukraine. the steady stream of refugees continuing across the borders, ali velshi is in hungary talking to some of them. reporter: you see this happening to your country, how do you feel? i don t want to see this, it really hurts. we have a number of reporters deployed to bring you the very latest from the fighting in ukraine, the refugee save havens in poland, to the white house. we ll go to nbc s molly hunter joining us from the ground in lviv, ukraine for us. molly, let s start with the second attempt, a failed attempt