The Bridge Fire in the Angeles National Forest near Glendora burned at least 49,000 acres at 0% containment as of Wednesday. The fire is now the largest active fire burning in California, according to LA County Sheriff Robert Luna. It is affecting both Los Angeles County and San Bernardino County.

The 23,000-acre fire, known as the Airport fire, was one of three major wildfires in Southern California that erupted during a severe heat wave and continued to swell on Thursday. The fires have collectively displaced tens of thousands of people, charred more than 100,000 acres and strained the state’s firefighting resources.

The Airport Fire in Orange County, California continues to grow and was likely caused by crews putting together a project meant to help prevent fires.

Southern California is on fire again. If you're still hankering to go outdoors, try these trails that are far away from the burned areas.

The Line Fire more than quadrupled in size on Saturday and led to evacuation orders for more than 5,000 people. A heat wave raises the risk that more fires could start.

The three largest Southern California wildfires -- the Bridge, Airport and Line fires -- all started in early September during a stretch of extremely hot days.

For the next week, the small ski area near Los Angeles, California, is selling steeply discounted season passes amidst a summer rife with fire-related closures. Adult passes currently cost $399. Normally,