expected to stay had high for days. life up and down the mississippi river has become one of survival and a torturous waiting game. nine states are affected. millions of acres flooded. tens of thousands of people have lost their homes an thousands more are about to. david mattingly joins us downstream in nach chtchez, mississippi where the flood is expected to crest on saturday. the army corp of engineers is keeping a watchful eye on that yazoo levee but the backwaters are already claiming property. what's the situation where are you? >> reporter: the situation is the same thing we've seen all up and down the mississippi. right now we are waiting for the crest here just as we've seen a little further north, just as we saw last week in memphis. the water creeping up to that crest, that historic level. right now all eyes are a little further north of here on the mainline levee along the mississippi here in the state of mississippi. the army corp of engineers addressing what they're calling a sand boil where water has been undermining one of the levee