number of people displaced in europe in the shortest amount of time since world war ii. he called it unprecedented. >> just staggering numbers. and the heart-wrenching good-byes. thank you, matt. the humanitarian crisis brought on by the worst of humanity is now bringing out the best. phil lipof has been following one family on their journey from desperation to hope. phil reports tonight from poland. >> reporter: tonight in poland, just across ukraine's border, deep despair is being matched by immeasurable compassion. and there is no shortage of people here in need. oksana has leukemia. through tears she tells us how she traveled for two days to get her children illia and varvara to safety. her husband and brother, still fighting the russians. who is this? >> bagira. >> reporter: varvara holding tight to what she couldn't leave behind. she is very pretty, especially with this. she is going to stay with an aunt.