but what makes the situation in kakunga so critical it is this very, very small strip of land.eople have effectively been bottle-necked. so many people have crossed over. we are not quite sure why. possibly because other routes of burundi have been blocked. no way to get off the small strip of land except by boat. that is why we have seen a humanitarian crisis there which really aid workers have described to me as their worst possible scenario. here's what we saw when we visited kakunga yesterday. >> sticks and a flimsy rope don't hold back the really determined. it's hard for aid work tires keep any kind of order with people this desperate. >> each day we have 600 to 900 persons traveling. and but it is a huge fight to go normally because people want to get out of here any way. tens of thousand of burundian refugees crammed on the banks of the tiny fishing village of kagunga. this lake and the old retired gun ship their way out to refugee centers where they may have more space, food to eat, more chance of shelter. what makes the people go through this rather than stay in their