Tens of thousands are stranded without food and water . U.N. : Preliminary report indicates $ 100 million needed for relief aid . In 2000 , the southern African nation suffered devastating floods that killed at least 700 people and displaced millions . In April , floods in the southern African nation killed 700 people .
Tens of thousands are stranded without food and water . U.N. : Preliminary report indicates $ 100 million needed for relief aid . In April , floods in the southern African nation killed 700 people .