Border 2 Fire initially started 1:58 p.m. Jan. 23 in San Diego County. After being active for 47 hours, it has burned 6,624.8 acres, an increase of 125 acres since the last update. A fire crew of 1,177 effectively contained 10% of the fire by Saturday afternoon. The blaze's cause remains under investigation.

As of Sunday morning, the fire remains just 10% contained. The blaze, which began just west of Doghouse Junction in the Otay Mountain Wilderness Area, had blackened an estimated 6,625 acres by Saturday afternoon,

Hundreds of firefighters worked to contain the Border 2 Fire after it ignited and quickly grew to thousands of acres from Jan. 23-24.

Border 2 Fire initially started 2:31 p.m. Jan. 23 in San Diego County. After being active for 20 hours, it has burned 5,389.4 acres, an increase of 1,139 acres since the last update. A fire crew of 692 effectively contained 10% of the fire by Friday noon. The blaze's cause remains under investigation.

The fire, which has been named the “Border 2 Fire,” was reported after 2:15 p.m. in the area of Otay Mountain Truck Trail in the Otay Wilderness Area. According to Cal Fire, it is currently 600 acres as of 8:13 p.m., but has a “dangerous rate” of spread. It remains 0% contained Thursday night.

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.