The devastating wildfire that killed four people and destroyed more than 1,300 homes in Lake County last year was caused by faulty electrical wiring rigged for a hot tub, authorities said Wednesday.

Middletown, Calif. -- After a comprehensive investigation, CAL FIRE has determined that the 2015 Valley Fire was caused by a faulty residential electrical connection. Investigators told ABC7 News ...

SAN FRANCISCO — A California blaze that killed four people and cost nearly $57 million to extinguish was started by faulty hot tub wiring at a home, authorities said. The so-called Valley Fire raged ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. A California blaze that killed four people ...

Middleton, Calif. (KGO) -- After a comprehensive investigation, CAL FIRE has determined that the 2015 Valley Fire was caused by a faulty residential electrical connection. Investigators told ABC7 News ...