A crash in Warner Springs, east of San Diego County, sparked a series of small spot fires, Cal Fire Public Information Officer Issac Sanchez said.
The brush fires broke out around 1:33 p.m. Sunday near State Route 79 and Fink Road, Sanchez said, when a car and motorcycle collided.
The largest of the fires is one and a half acres, officials said.
A Sig Alert has been issued for the areas. Crews are expected to be at the scene for several hours.
No other information was available.
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