Volcano Fire In De Luz: 80% Containment, 50 Acres

SAN DIEGO COUNTY, CA — Containment on a wildfire that sparked amid a record-breaking summer heat wave in northern San Diego County was 80 percent contained, according to an update Friday evening from Cal Fire.

"Firefighters continued to make good progress today building containment line, and resources will remain at scene overnight," the agency said.

The blaze, called the Volcano Fire, ignited around 11:20 a.m. Thursday in the area of De Luz Road and Tenaja Truck Trail in the unincorporated De Luz community, north of Fallbrook and west of Temecula, according to Cal Fire.

The fire burned in heavy vegetation with a moderate rate of spread, just south of the San Diego-Riverside county line, fire officials said. The flames had scorched 50 acres, according to Cal Fire.

There were no reports of structural threats, and there were no evacuation orders or warnings.

On Friday, smoke continued to drift over North County San Diego and Southwest Riverside County.

A total of 215 firefighting personnel were assigned to the blaze, according to the Riverside County Fire Department. Firefighters aboard five air tankers and two water-dropping helicopters were the first to reach the fire. Crews from Riverside County, San Diego County and Cleveland National Forest were also dispatched but had difficulty immediately reaching the rural area, officials said.

Under a mutual-aid agreement signed earlier this summer, crews from both counties generally conduct a joint response whenever a fire is within five miles of the county line.

The cause of the fire was under investigation.

City News Service contributed to this report.