One firefighter was killed and three were injured while battling the largest blaze in Southern California on Wednesday, authorities said.
It was the first firefighter death in the outbreak of fires that have ravaged Southern California this week. Eighteen people have now died in the fires, many of them trying to escape the flames.
The firefighter died while battling the Cedar Fire in San Diego County - the largest and deadliest blaze in California. It has burned more than 230,000 acres and nearly 1,100 homes.
One of the firefighters was believed to have suffered critical injuries; the other two were said to have minor injuries.
California Department of Forestry spokesman Dave Wheeler said the firefighters were near a group of buildings near Wynola, a town a few miles northwest of Julian.
All were taken to the University of California, San Diego Medical Center.
Hundreds of firefighters have converged on Julian in the past 24 hours to make a stand against the Cedar Fire.