Hundreds of firefighters continue to tackle the Sandy Fire in Simi Valley on May 21, three days after it first ignited.

A fast-moving wildfire near Simi Valley continues to spread under gusty winds as firefighters race to increase containment.

The Ventura County Fire Department said air quality monitoring is being conducted around the fire's perimeter due to the proximity to the Santa Susana Field Laboratory.

Hundreds of firefighters continued to battle a fire in Simi Valley on Wednesday, May 20. Here are the updates.

Firefighters shared a bird’s-eye view of crews tackling the Sandy Fire near Simi Valley, California, on Tuesday, May 19. The blaze had scorched more than 1,698 acres across Ventura County as of

Firefighters made progress overnight and into Tuesday morning as they continued to protect homes in the Simi Valley area from the nearly 1,400-acre Sandy Fire in Ventura County. Minimal fire growth was reported overnight after the fire started late Monday morning and destroyed at least one home in a neighborhood at the base of a burning hillside.

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A livestream captured the moment the Sandy Fire flared up on Tuesday afternoon, May 19, as more than 750 firefighters faced the blaze in Ventura County, California. The fire broke out on Monday