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

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.

More than 33,000 people remain under evacuation orders after a brush fire broke out in Simi Valley, Calif. By Soumya Karlamangla and Amy Graff A fast-moving brush fire in a suburban community north of Los Angeles destroyed one home on Monday and threatened thousands more,

Video shows a massive “smokenado” over a California wildfire as experts explain how wildfires can create ash devils and fire clouds.

A fire in Mountainside High School’s woodshop led to evacuation and class cancellations; four students were treated at the scene.

Bain Fire initially started 11:24 a.m. May 19 at Limonite Ave and Bain Street, Jurupa Valley in Riverside County, California. After being active for three days, it has burned 1,497.1 acres. A fire crew of 528 succeeded in containing 67% of the fire as of Friday morning. However, the cause is still under investigation.

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

A fire broke out Thursday morning in a historic home in Chicago's Old Town neighborhood.