in the month since russia invaded ukraine, 2 million people have left their homes to neighboring hoe land. medica -- poland. melissa bell joins us live. melissa, what did you find? >> reporter: it is a ukrainian child entering the union every single second according to officials. that is causing huge logistical problems in europe. for a month now they have arrived day and not at medyka crossing. mothers and children carrying little. burdened only by the images of what they fled. she spent two weeks get to go