The fires come as San Diego County mountains and valleys, along with other parts of Southern California, remain under a red flag warning.

Border 2 Fire initially started 1:58 p.m. Jan. 23 in San Diego County. After being active for three days, it has burned 6,625 acres. A fire crew of 2,413 effectively contained 10% of the fire by Sunday morning. The blaze's cause remains under investigation.

Less than two weeks after the Los Angeles County fires wreaked havoc, San Diego County was met with multiple brushfires.

Firefighters are responding Wednesday to a brush fire in Rancho Bernardo. The fire started around 8:55 a.m. near Bernardo Center Drive and Camino del Norte, according to San Diego Fire-Rescue, which was responding alongside Poway Fire.

The Border 2 Fire, a brush fire that broke out on Otay Mountain near the U.S.-Mexico border in San Diego County on Thursday afternoon, January 23, had burned more than 6,625 acres and was 10% contained as of Sunday.