Cristianitos Fire grows to 700 acres, 10% contained

OCEANSIDE, Calif. -- A brush fire near northwestern Camp Pendleton and far southern portions of Orange County in San Clemente has scorched about 700 acres early Thursday.

Shortly after 6 p.m., the fire, dubbed the Cristianitos Fire, was reported off Cristianitos Road, near San Mateo Campground.

The fire was has since spread in a northeastern direction, towards San Clemente in Orange County, according to Orange County Fire Department PIO Mike Yeun.

An estimated 350 firefighters from multiple fire departments are battling the fire, with more from throughout Southern California on the way, Yeun said.

Officials have closed the base gate at Cristianitos Road and San Mateo Drive.

No evacuations have been ordered.

The cause of the fire was not immediately clear.

This is a developing story.