Flood-weary Colorado awaits more rain; 172 people missing

CNN - The mission for emergency responders in northern Colorado Saturday: "To bring order to a chaotic situation," as an incident commander put it.

Waters receded some in the flood-devastated areas, but the rains were expected to fall heavy once again over the weekend.

At least four people have been killed and 172 are unaccounted for, officials say. The number of missing peaked at 218 and is expected to continue to shrink.  Read more.