Los Angeles County, L.A. city and Angeles National Forest firefighters were attacking a brushfire, dubbed the Elsmere Fire, late Monday afternoon near Newhall Avenue and Highway 14 in Newhall.

By 4:05 p.m., LACoFD reported the fire’s forward progress had been stopped at about 130 acres, with 30% containment.

“Very good progress is being made on the #ElsmereFire due to an aggressive, decisive and immediate air and ground attack” by LACoFD, ANF and Los Angeles city firefighters, ANF officials tweeted at 4:10 p.m.

All lanes on Highway 14 had reopened by about 7:45 p.m., except the right southbound lane between Newhall Avenue and Placerita Canyon Road, Caltrans tweeted.

Original Updated Post, 3:05 p.m.
First reported around 1:30 p.m. as a three-acre fire burning up a hillside, the blaze had grown to an estimated 200 acres by 3 p.m., with the potential to reach 500 acres, according to ANF officials. It was 0% contained.

At 2:12 p.m., mandatory evacuations were being called between Dockweiler Drive and Newhall Avenue Valle Del Oro, according to a tweet from the Santa Clarita Valley Sheriff’s Station, but the order was rescinded an hour later.

As of 2:25, a third-alarm response had been requested, according to city of Santa Clarita officials who warned residents to stay out of the area.

At about 2:30 p.m., National Forest officials said the agency was freeing up resources from the Dam and Castaic fires to head to the Elsmere incident, as the Los Angeles Fire Department tweeted that it was sending “mutual aid.”

Firefighters on the ground were being aided by water-dropping helicopters and fixed-wing aircraft.

“Control objectives are to hold the fire South of Golden Valley Rd and to defend the oil fields,” LACoFD tweeted at 3:02.

A SigAlert was called and all northbound lanes of Highway 14 closed at Newhall Avenue as of 2 p.m. by the California Highway Patrol.

There was a hard closure of Highway 14 at the Interstate 5/14 Newhall Pass interchange north to Golden Valley Road due to zero visibility due to heavy smoke, which wafted west across the SCV.

All southbound lanes were closed at Golden Valley Road as of about 2:45 p.m.

Sierra Highway was closed to traffic between Newhall Avenue and Golden Valley Road as of 3:27 p.m., according to the city.

This is a breaking story; more information will be added as it becomes available.