(NBC News) Nine fires sent tens of thousands of residents fleeing their homes in Southern California as another day of sky-high temperatures and dry winds loomed Thursday, authorities said.
California Gov. Jerry Brown declared a state of emergency for San Diego County.
The biggest concern was in San Marcos, where the new blaze broke out late Wednesday afternoon and some 21,000 evacuation notices were sent to residents.
- Photos: Wildfires in Southern California
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