Kenneth Fire initially started 3:34 p.m. Jan. 9 in Los Angeles, Ventura County. It has burned 1,052 acres after being active for 45 hours. By Saturday afternoon, the fire crew succeeded in containing 80% of this fire. The cause of it remains under investigation.

On Thursday night, the Kenneth fire was being investigated as a possible arson, and a person of interest was detained, officials said. The fire grew quickly to engulf 960 acres near Victory Boulevard west of Gilmore Street and was headed south towards Hidden Hills, fire officials said early Thursday evening.

The fire started in the Upper Las Virgenes Canyon Open Space Preserve and pushed toward dense developments in the cities of Calabasas and Agoura. Evacuation orders and warnings were issued for residents in L.A. City and County, and Ventura County.

Kenneth Fire initially started today at 3:34 p.m. in Los Angeles, Ventura County. It has burned 959.7 acres after being active for five hours. Currently, there is no information available on the containment of the fire. The Kenneth Fire is burning in West Hills in Los Angeles County and rapidly spreading.

The fire sparked near the borders of Los Angeles and Ventura counties on Thursday afternoon has been fully contained, officials said on Sunday.

Juan Sierra, 33, who was arrested Thursday on a suspected probation violation, is identified as a 'person of interest' in the Kenneth fire.

Forward progress of the Kenneth fire in the West Hills area of Los Angeles and Ventura County was stopped overnight at 1,000 acres as fire crews achieved 35% containment, authorities said Friday morning, Jan. 10. All evacuation orders and warnings within Los Angeles were lifted by Thursday evening, officials said.