Spectacular flames could be observed leaping from the rooftop.

The Los Angeles County Fire Department was the first to respond, quickly followed by additional units from the Los Angeles Fire Department to combat the inferno.

At the time, it was not immediately known whether anyone was inside during the outbreak or what might have ignited the fire.

Fire crews continued their efforts to extinguish the flames as thick smoke rose high above the Hollywood Hills neighborhood.

Fire crews continued their efforts to extinguish the flames as thick smoke rose high above the Hollywood Hills neighborhood.

No injuries had been immediately reported.