Have now fled the fighting at home seeking safety outside their country's borders according to the united nations. nbc's kerry kobier is in poland. >> reporter: across the borders the need is growing by the minute tens of thousands of women and children arriving every morning, cold, tired and hungry. volunteers offering hot soup and a play mat for the young refugees like the 2-year-old. she says we were afraid but our husbands were even more afraid. that's why they sent us here. the u.n. hayes more than 2 million refugees have fled ukraine. 1 million are children. unicef calling it a dark hist...