as days go on and attacks continue to creep closer to the city, that may change. molly hunter coming to us live from lviv, ukraine. thank you very much for that. let s turn now to nbc news correspondent elly. reporter: nerves are rattled here in poland. the air strike just 12 miles from the border and in this region the busiest border crossing in poland. madika border crossing. the past 18 days since the conflict started. a main corridor for people fleeing ukraine. leaving from lviv and arrive in madika, around about here. we re not far from the crossing