. >>> one of those who have been closely involved with all this, casey copeland from the international crisis group, normally in juba, talking to us now from kampala. we are hearing about 1,000 refugees every day. there's a limit to what you can do with such vast numbers. >> it's true, and the situation is getting worse because some of the ones crossing over now are actually walking within south sudan to reach the ethiopia border. they are in terrible shape by the time they arrive. >> we see children dying of malnutrition even though a famine has not been declared. >> what is often not understood is that many, many thousands of people tend to die before phammins are declared. that's what we are seeing, children and adults dying of malnutrition, awaiting the day when the famine will be declared and greater funds will be released to prevent the deaths. >> what about supplies to those people who need them the most. it's difficult in areas of conflict. when you see people leaving homes, walking for weeks to get to what they believe are places of safety, that must make it more difficult. >>