First responders from area fire departments declared a mass casualty incident for the protestors who were injured in Ventura County

Emergency crews responded midday Thursday to a fire at the home in Simi Valley, located in Ventura County in the greater Los Angeles area.

California has seen a spate of accidental fireworks explosions leading up to the Fourth of July with a Thursday morning detonation killing 1 in a Simi Valley home and a similar incident critically injuring two people in a Bay Area residence.

California’s largest wildfire of the year grew to an estimated 70,801 acres Friday, producing smoke that has affected millions of residents across the southern part of the state. The Madre Fire in

Human remains have been found at the warehouse filled with fireworks that exploded in Northern California this week, officials said.

Seven people were "unaccounted for" in Yolo County's town of Esparto after several explosions at a fireworks warehouse resulted in a fire, officials said.

The Madre fire burning in San Luis Obispo County has grown to become the largest wildfire California has seen this year. It comes after Southern California was ravaged by wildfires in January, which resulted in the widespread destruction of homes and the deaths of at least 29 people.

Roseville firefighters battled a fire around midnight Sunday on Oakmont Drive near South Cirby Way and Old Auburn Road.

One person is dead after a house fire in Simi Valley, which authorities determined to be caused by explosions from fireworks on Thursday afternoon.