he is the head of save the children uk. thank you for joining us. how dire is the situation on the ground right now for ukrainian children fleeing this russian invasion? >> reporter: what we're seeing every day here in northern romania is an endless stream of refugees coming across the border. they are cold, exhausted, and most of them are women and children. i think it is important to stress just how bitterly freezing it really is. i don't think the temperatures got above zero much in the last couple weeks. today it was minus 3. these are the conditions that our children and mothers are coming across into. and that's what they're facing now. what they're fleeing is some of the most horrendous violence imaginable. >> they certainly are. this is an incredibly traumatic experience for these kids, for these children. what long-term emotional developmental effects do you most worry about? >> reporter: well, the long-term