Firefighters are battling a rapidly growing fire in Camp Pendleton dubbed the Henderson fire, which has burned 1,116 acres.

Tens of thousands of people were without electricity Thursday as utilities tried to reduce the risk that power lines could blow over and spark fires.

With the threat of fire, heat and sea level rise colliding, as the state readies for more incoming effects from El Niño, Kevin McGowan, the director of LA’s office of emergency management, urged resid...