than 2 million ukrainians have fled to poland. he's scheduled to visit with refugees during this hour. we'll bring you that live when it occurs. for the very latest, we go back to cnn chief correspondent kaitlan collins in warsaw. kaitlan this seems to be focused on humanitarian relief. what's about to unfold? >> absolutely. that has really been the focus of the latter half of president biden's time here in europe. meeting with president duda. as you just noted there, poland is really shouldering a lot of the refugee crisis sparked by the invasion of ukraine. president biden said he doesn't think that should be poland's responsibility. the whole world should share in that. saw the steps the united states is taking to help with the refugee crisis. the leaders are struggling to cope with it because they've had a massive influx of refugees. over 2 million people have come into poland since this invasion of ukraine started. obviously, millions more displaced from their homes and the u.s. announcing they'll