Millions of Southern Californians were on edge as a final round of dangerous fire weather was forecast for the region on Wednesday, along with a rare warning of a “Particularly Dangerous Situation” for an area near where two massive blazes have killed at least 25 and destroyed thousands of homes.

Southern California is braced for "extremely critical fire conditions" caused by a new period of Santa Ana winds today through Wednesday across parts of Los Angeles and Ventura counties, as the battle to contain rampant blazes goes on.