Agua Dulce Fire: Stone Fire in Santa Clarita Valley, California, Rapidly Spreading

UPDATE: 5:44 p.m. EDT—The Stone Fire in Agua Dulce, California, was already up to 500 acres Monday afternoon. More than 200 fire personnel remained on scene to combat the fire.

Fire authorities advised nearby residents, including those on Anthony Road and Sierra Highway, to evacuate.

#LASD assisting @LACoFDPIO with #StoneFire.

• Evacuations: Anthony Rd. & Sierra Hwy. Hard closure of Anthony Rd.

• 200-500 acres burned in #AguaDulce & approx 240 fire personnel on-scene.

For updates follows us or @LACoFDPIO pic.twitter.com/RcGiQBC9bW

— LA County Sheriffs (@LASDHQ) June 4, 2018

Original story:

Los Angeles County Fire Department officials said a fire in California's Santa Clarita Valley was growing rapidly Monday afternoon, according to local radio station KHTS. Dubbed the Stone Fire, the fire began in Agua Dulce.

The fire was about 20 acres and some 240 firefighters were at the scene to combat the flames, Los Angeles County Fire Department Inspector David Michael told Newsweek.

"We do have reports of structures threatened, but we don't have an amount of structures yet," Michael said.

There had not yet been any word on evacuations in the area.

The first call about the fire came in about 12:26 p.m. local time. Both the Los Angeles County Fire Department and the Angeles National Forest Fire Service responded to the reports, according to the Santa Clarita Valley Signal.

This is a developing story and will be updated as more information becomes available.