Officials are bracing for the return of fierce Santa Ana winds as they try to contain large blazes in the Los Angeles area.

Fanned by strong winds, the wildfires have killed at least 24 people and swept through 40,000 acres in the Greater Los Angeles area.

Wednesday, 1:00 a.m. PSTThe Auto Fire—which has burned 61 acres—is 47% under control, according to Cal Fire’s most recent update. Progress on the two biggest fires, however, remains slow as the containment of the Palisades Fire—which has burned 23,