Update 2:39 p.m.: Fire climbs to 2500 acres
Cal Fire says the Chariot Fire burning in San Diego County east of San Diego is now at 2,500 acres, and still 10 percent containment.
Update 1:19 p.m.: Camp grounds evacuated in San Diego County as Chariot Fire burns 1,700 acres
Firefighters aided by water-dropping helicopters are battling a wildfire in San Diego County that has grown to 1,688 acres, Cal Fire reports.
The agency reports that the fire has forced the closure of a stretch the Sunrise Highway and the evacuation of several campgrounds.
The blaze broke out Saturday afternoon in the Anza-Borrego desert nine miles southeast of Julian. It remained 10 percent contained on Sunday.
Officials with the California Department of Forestry and Fire Protection say three firefighters were treated for minor injuries.
No homes or structures were threatened. Firefighters were being helped by water-dropping helicopters, air tankers, bull dozers and water tenders.