Three wildfires have burned more than 3,500 acres this week in Southern California and triggered evacuation orders and warnings for tens of thousands of residents in Ventura and Riverside counties. The fires blanketed widespread parts of the region with smoke,

Firefighters made significant progress on the Bain Fire in Riverside County overnight after it consumed more than 1,300 acres and injured four, authorities said. According to Cal Fire, containment of the blaze was up to 25% as of 5:58 a.

More than 17,000 people are under evacuation orders as a wildfire continues to threaten suburban homes in Southern California.

Crews are battling a brush fire that was seen burning several structures in Riverside County on Tuesday, prompting evacuations. Four civilian injuries have been reported. The Bain Fire was first reported around 11:22 at Limonite Avenue and Bain Street in Jurupa Valley,

The Ventura County Fire Department said overnight, firefighters were able to make significant progress due to the favorable weather and cooler temperatures.

A fast-moving Southern California wildfire, the Sandy Fire, has burned 184 acres in Ventura County and forced evacuation orders in parts of Simi Valley and Thousand Oaks. The fire is threatening nearby structures.

A brush fire that erupted today in the Santa Ana River bottom in Jurupa Valley charred over 900 acres and expanded rapidly in the direction of homes, leaving four people injured and prompting mandatory evacuations.

A wildfire that started Monday morning prompted evacuation orders in Simi Valley. The Sandy Fire was reported around 10 a.m., and the first evacuation was called in barely half an hour as it threatened hillside homes.