lorri johnson cbn news. >>> coming up, millions of flood victims are without homes,ithout food and without clean water. now aid agencies racing against time to stop the spread of deadly disease. irtzu >> flood waters have broken through a levy in southern pakistan and danging 3 more towns. officials are urging those to evacua the area and aid workers are trying to keep disease from displacement camps. 17 million people have been effected by the flooding. world vision has been working in pakistan for decades. my coanchor wendgriffith spoke with mike baily with operations. his workers are witnessing among the victims. >> report: the country what we hear is that is horribly cold, acute watery diarrhea is on the increase. that is whatis worrying everybody. that is the sort of symptoms you get with cholera. with the conditions we see people living in where they have no real access to clean water and inadequate food and almost no shelter, it is almost inevitle there will be more and more places of diarrhea. we are trying to improve the shelter and improve access to clean wateto people. that is t