some of the most heart breaking stories in this conflict are of innocent children ravaged by disease who are now forced to flee the war ravaging their homeland. spain is now opening up its borders to care for these children fighting deadly illnesses. 25 ukrainian children suffering from cancer were blown aboard a spanish military train for treatment in madrid along with 22 other refugees. the children will be evaluated to see if they'll stay in hospital or removed to lodging provided by refugees. well, as people in ukraine flee their homes, they have to decide whether to leave their beloved pets behind or bring them along on a difficult journey. cnn's sarah schneider talks to anmal rescue center in poland