That county is also facing danger from a second fire, the Hill Fire, which sparked Thursday very near the location of the mass shooting in Thousand Oaks where 12 were killed.

Heavy smoke and strong winds hampered visibility for crews on the firelines and residents trying to evacuate fire zones. Now a brush fire is threatening the surrounding area. Although an unknown number of structures have been destroyed, there were no reports of any injuries to firefighters or residents as of mid-morning Friday.

The Woolsey Fire broke out about 2:25 p.m. Thursday, pushed by strong Santa Ana winds which prevented fire commanders from ordering aerial assaults in the early morning hours.

Two wildfires raging west of Los Angeles have force thousands of people to leave their homes. Our community does NOT KNOW to get out and PCH is now gridlocked for miles.

Ventura County Fire Department tweeted that intense winds fueled the fire overnight, leading it to jump 101.

The fire placed more than 75,000 homes in Los Angeles and Ventura counties under evacuation orders as of Friday morning, and there was still no containment on the blaze. "I pray everyone is safe", she wrote.

The Hill and Woolsey fires in Ventura County have raged since Thursday afternoon, burning tens of thousands of acres combined; the latter blaze jumped Highway 101 and posed an "imminent threat" to Malibu, leading to mandatory evacuation of the entire beachfront city, Los Angeles County Fire Department said on Twitter.

Zoo staff have begun to evacuate some animals - starting with the lemurs - but the fire has not spread as fast as the Malibu blaze due to lighter winds.

Firefighters from Ventura and Los Angeles counties also continue to battle the Woolsey Fire under a unified command as it burns toward the coast.

Evacuation center locations, road closure and school closure information for the fires can be found on the Ventura County emergency page here.

The highway is expected to remain closed Friday morning, Ventura County Fire Chief Mark Lorenzen said.

Residents took to social media to share their views of the flames almost consuming the hillside in Newbury Park, which borders Thousands Oaks to the west. Voluntary evacuations have been added in Ventura County for Lake Sherwood and the area south of Highway 101 and north of Potrero Rd. between Westlake Blvd. and Wendy Thousand Oaks.

Fire officials initially ordred the evacuation of all 13,000 residents of the community, which stretches 21 miles along the ocean, but later scaled it back to the western two-thirds of the city. It's near Hill Canyon Road and Santa Rosa Road in the Santa Rosa Valley.

Taft High School and Pierce College are open to people in Los Angeles County. By Thursday evening, it had scorched up to 7,000 acres and sent residents of more than 1,200 homes fleeing, the Los Angeles Times reports.