Video from a gas station security camera shows what a new filing in a lawsuit alleges is the start of this month’s deadly Eaton Fire in the Los Angeles area – electrical sparking at a utility transmission tower in the hilly Eaton Canyon area near the Altadena community.

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

Southern California Edison, a unit of utility Edison International, said on Monday preliminary analysis of data showed a "momentary and expected increase in current" on its energized lines in the Eaton Canyon corridor on Jan.