— -- Entire streets have been reduced to smoldering rubble, and more than 175 buildings and other structures have been destroyed, as a Northern California wildfire continues to spread.
The fire about 100 miles north of San Francisco has so far spread to 4,000 acres and is 5 percent contained, officials said.
A truck burns in the town of Lower Lake, California, Aug. 14, 2016.
Josh Edelson/AP Photo
A firefighter rescues goats as flames from a wildfire envelope the area in Lower Lake, California, Aug. 14, 2016.
Josh Edelson/AP Photo
The blaze on Sunday swept into Lower Lake, a town of about 1,200 people, according to The Associated Press, where it burned buildings including a post office, a Habitat for Humanity office and a winery.
Firefighters work to control flames as a home burns in the town of Lower Lake, California, Aug. 14, 2016.
Josh Edelson/AP Photo
Freelance photographer Noah Berger rescues a goat while on assignment for the San Francisco Chronicle as flames envelope a property off of Bonham Road near Lower Lake, California, Aug. 14, 2016.
Josh Edelson/AP Photo
Thousands of people have been evacuated since the fire began Saturday, according to the Associated Press. The cause is under investigation.
A home burns near the town of Lower Lake, California, Aug. 14, 2016.
Josh edelson/AP Photo
ABC News' Mary Bruce contributed to this report.
