Update: Archer Fire in Los Angeles County is now fully contained
Briefly

Archer Fire, which ignited in Los Angeles County, burned 19 acres over approximately 21 hours but was fully contained by Saturday morning, with investigators probing the cause.
Containment refers to how much of the wildfire’s perimeter is surrounded by a control line, indicating a certain level of protection, but not complete safety.
While containment means that the fire’s perimeter is stopped from spreading, it doesn’t guarantee that the fire is completely extinguished; control is the next crucial phase.
The containment of the fire is regularly monitored by central command, updating progress reports that inform the containment percentage as line construction and inspections are completed.
Read at Sacramento Bee
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