The Hawk fire was reported shortly after 3 p.m. in the 35900 block of North Trenmar Drive, according to the Los Angeles County Fire Department. The flames spread through medium brush. By Friday morning, firefighters had 42% containment of the blaze.

A fast-moving brush fire broke out Thursday afternoon in the small community of Acton and burned at least 400 acres.

LOS ANGELES - Fire personnel are on the scene of a brush fire that broke out Thursday in the community of Acton. The so-called Hawk Fire broke out in the 35900 block of North Tremar Drive. Officials with Angeles National Forest say the fire is a threat to the nearby national forest.

A vegetation fire was reported in the community of Acton Thursday, with fast-moving flames threatening structures in the area.

The Los Angeles County Fire Department has reported good progress on containing both the Hawk and King Fires burning near the Santa Clarita Valley.

The Hawk and King fires erupted on Aug. 14 but reached 40% containment the next day, what to know about the two LA County fires.

The Hawk Fire in Acton is 67% contained Saturday. The brush fire began Friday 6% contained, according to the Los Angeles County Fire Department. The fire was 42% contained according to the day’s first update.

Firefighters reached 40% containment on the 577-acre King fire in Gorman by Thursday night. Meanwhile, the Hawk fire in Acton grew to 400 acres.

A fast-moving fire fueled by winds erupted in northwestern Los Angeles County near the 5 Freeway overnight. Evacuation warnings are in place.