A fire has broken out at the border of Los Angeles and Ventura counties and is spreading rapidly, threatening numerous hillside homes in the Calabasas and Hidden Hills areas.

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.

It was initially reported as an arrest made on the suspicion of arson, with Sean Dinse of the LAPD’s Topanga Division telling news station KTLA on Thursday night that the authorities believed someone had purposefully set the Kenneth Fire.

Authorities said there was not enough probable cause to arrest the man on suspicion of arson, but he has been charged with a felony probation violation

The Kenneth fire burns in the Upper Las Virgenes Open Space Preserve on Thursday, Jan. 9, 2025, in West Hills, L.A. Credit - Brian van der Brug/Los Angeles Times— A man was arrested on suspicion of arson on Thursday afternoon in the Woodland Hills near the Kenneth Fire,

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

A suspect is in custody being questioned by LAPD on suspicion of arson in the Kenneth Fire, Ventura County Sheriff’s officials tell KNX News.

But the official also said the LAPD is "continuing our investigation and cannot confirm any connection to any fire by

The fires raging in Southern California threaten to hurt the supply of oil, gas, diesel and natural gas supplies due to fire hazards and loss of power.