Wind-driven flames are pushing through the greater Los Angeles area, forcing residents to flee their homes by the tens of thousands. At least five major wildfires present an unprecedented disaster for rescue and relief officials,

Though winds were weaker than predicted Tuesday, firefighting crews awaited the return of dangerous winds that could fuel new blazes.

A "perfect storm" of drought and Santa Ana winds have combined, experts say, to make the wildfires so fierce and difficult to contain.