UPDATE @ 4:30 p.m. PT:
Rim of the World is reporting a radio conversation from the Incident Commander to Dispatch:
we’re calling this 200 acres; 30% contained; spread has been stopped at this point; appears acreage 50% on BDU and 50% on BDF; no structures and no power lines currently threatened; we have good access to 40% of the fire; all resources actively engaged; we’re looking at doing some releases within the next hour
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The San Antonio fire started at mid-afternoon today in southern California about 40 miles east of Los Angeles in the Mt. Baldy area. It is about 50-150 acres at the base of a steep slope. Helicopters, air tankers, and hand crews are working on it.
Here are some images captured from streaming video: