Tens of thousands of people have been fleeing California towns downstream from the Oroville Dam after fears of an imminent collapse of its spillway prompted an evacuation order. Authorities are seeking to stem the breach with the help of helicopters. “Immediate evacuation from the low levels of Oroville and areas downstream is ordered. This is NOT A Drill. This is NOT A Drill. This in NOT A Drill,”... 

Unleashed by its U.S. Army minders, the Mississippi River poured across Louisiana lowlands Monday on its way to inundate thousands of homes and businesses as the Corps of Engineers fights to spare Baton Rouge and New Orleans. “Hope you appreciate this Baton Rouge. You’re welcome,” read one sign posted outside a home in the path of the floodwater. The water was rising early Monday...