The Sunset fire began burning in the Hollywood Hills between Runyon Canyon and Wattles Park on Wednesday evening, Jan. 8.
The fire erupted at around 5:30 p.m. and has burned more than 19 acres as of 6:30 p.m., according to ABC7. The Los Angeles Fire Department is responding with 20 fire engines.
A mandatory evacuation order is now in effect for Laurel Canyon Boulevard (western boundary), to Mulholland Drive (northern boundary), to the 101 Freeway (eastern boundary), down to Hollywood Boulevard (southern boundary).
Margaret Stewart, spokesperson for LAFD, advised residents to evacuate to the south.
More than 20 fire engines were on route to assist with firefighting efforts, Stewart said.
There was no immediate word as to how the fire began.
City News Service contributed to this report.