06/02/2026
A fast-moving brush fire sparked along northbound I-5 north of Castaic, sending smoke into the air and prompting evacuation warnings and shelter-in-place orders for nearby residents. First-arriving crews reported the fire at approximately 1.5 acres, burning uphill toward structures with a moderate rate of spread. Firefighters quickly launched an aggressive attack, stopping forward progress and surrounding the fire with hose lines. The blaze, later named the Cactus Fire, was mapped at 4.23 acres. All evacuation warnings, shelter-in-place orders, and restrictions have since been lifted. The cause of the fire remains under investigation.
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