Edison says current increase "remained within the design limits and operating criteria" for the circuits and "did not trigger system protection on these lines."

Edison International Inc.‘s Southern California utility equipment created a powerful electric arc above Altadena, Calif., that ignited the deadly Eaton fire, a law firm suing the utility says, citing new video footage from a nearby gas station.

High-voltage power lines saw a temporary surge in electrical current in the area where the deadly Eaton Fire is believed to have started, Southern California Edison said.