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.

Firefighters raced to contain a new wildfire that erupted near homes in the area of Calabasas and West Hills, northwest of Los Angeles, on Thursday afternoon. The Kenneth Fire has burned more than 900 acres and is 0% contained.

UPDATE Jan. 9, 8:35 p.m. The Kenneth Fire that erupted Thursday afternoon on the border between Los Angeles and Ventura counties is reportedly being investigated as an arson case, with one person in custody. As of Thursday evening, the blaze has expanded to 960 acres, with no containment.

The Kenneth fire broke out north of the Palisades fire on Thursday (09/01). Footage shows planes dropping water on the blaze, which is threatening homes in the Calabasas and Hidden Hills areas. The fire has burned approximately 1,

Ferocious winds that drove the flames and led to chaotic evacuations have calmed somewhat and were not expected to be as powerful during the day. That could provide an opportunity for firefighters to make progress reining in blazes that have hopscotched across the sprawling region,