Mandatory evacuations were in effect in the Modjeska, Silverado and Williams Canyon areas, Foothill Ranch and Portola Hills west of El Toro and north of the 241 Toll Road.
Mandatory evacuations were in effect in the Modjeska, Silverado and Williams Canyon areas.
Evacuation orders were lifted for Foothill Ranch and Portola Hills west of El Toro and north of the 241 Toll Road.
All evacuation orders were lifted for Lake Forest.
Voluntary evacuations remained in effect for the following areas:
-- Borrego Canyon;
-- Baker Ranch;
-- Portola Hills;
-- Live Oak Canyon;
-- Trabuco Canyon;
-- Rose Canyon;
-- Valley Vista Way;
-- Meadow Ridge Drive;
-- Cowan and Lemon Heights.
Evacuees were urged to stay with family or friends or in a hotel, the Orange County Fire Authority said. "Due to COVID-19, no congregate shelter is offered,'' the agency said.
Temporary OC Red Cross evacuation points have been established at El Modena High School, 3920 E Spring Street, in the city of Orange; and at El Toro High School, 25255 Toledo Way, in Lake Forest. Information and restrooms were available at the sites. Residents were asked to remain in their vehicles upon arrival and wait for assistance.
Orange County Animal Care was accepting small household pets at its Tustin facility at 1630 Victory Road.
The blaze was initially sparked by a house fire late Wednesday night, according to the Fire Authority.
Crews responded to the 29400 block of Silverado Canyon Road at about 10:15 p.m. and attacked the blaze from the ground and air. About 500 firefighters were on the scene by Thursday morning.
The cause of the house fire is under investigation.