Powerful winds and bone-dry conditions were expected to pose a challenge to firefighters battling new wildfires in southern California on Thursday, including a new blaze that swelled over the past day,

A new wildfire has erupted close to Los Angeles sparking thousands of evacuation orders. Ferocious flames from were devouring hillsides near Castaic Lake, spreading rapidly to cover 5,000 acres in just over two hours.

As the Los Angeles area begins the formidable task of rebuilding after the most destructive wildfires in its history, the city's artists and art collectors are mourning what could amount to billions of dollars in irreplaceable art that went up in flames.