Sri Lanka, Oct. 3 -- A fire broke out at Chevron's El Segundo refinery, California governor Gavin Newsom's press office said, with a county official adding that the flames had been confined to one area.

The cause of the blaze was not clear, the Los Angeles Times reported, while CBS said firefighters were called to the refinery in Los Angeles county after reports of an explosion.

"Our office is coordinating with local and state agencies to ... ensure public safety," Newsom's press office said on X.

CBS cited police as saying they were not aware of any immediate injuries or evacuations, adding that the Los Angeles county superviser, Holly Mitchell, had said crews contained the fire to one area of the refinery.

In a regulatory filing, th...