This is MORNING EDITION from NPR News. I'm Renee Montagne.
New Orleans Mayor Ray Nagin has issued a mandatory evacuation order for everyone in his flood-stricken city.
Mayor RAY NAGIN (New Orleans): There are toxins in the water. There are gas leaks where we may have explosions. We're fighting at least four fires right now, and we don't have running water. It is not safe.