The county says electrical equipment owned by the electric utility is to blame for the blaze that killed 17 people and destroyed 9,400 buildings.

The lawsuit blames SCE’s equipment for triggering the deadly blaze that cut a mammoth swath of damage through the unincorporated community of Altadena.

The county of Los Angeles and city of Pasadena, along with other public entities, filed lawsuits against Edison International and its subsidiary Southern California Edison (SCE) on Wednesday, alleging their role in igniting one of California’s worst wildfires.