Firefighters worked into the night on September 10-11 to contain the Mast Park Fire in the San Diego suburb of Santee.
Evacuation warnings were issued locally, and roads closed for a time.
This clip shows one of the helicopters that responded to the fire.
East of Santee, the Valley Fire continued to burn. It had grown to 17,665 acres by September 10, and was 35 percent contained. The total area affected by fires statewide grew to three million acres by September 10, with at least 12 deaths reported. Credit: Dan Howe via Storyful