Fire investigators have not found Edison responsible for the Eaton Fire — but mounting lawsuits heighten concerns about its potential liability for the deadliest and most destructive blaze since the state created a fund to prevent wildfires from bankrupting utilities.

Los Angeles County is suing Southern California Edison over the Eaton Fire, which killed 17 people in January. The big picture: The cause of the blaze that was one of California's most destructive wildfires on record remains under investigation,

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