LOS ANGELES — A massive fire erupted at a Los Angeles-area Chevron oil refinery Thursday night, sending a fireball in the air and startling residents, according to officials and video that captured the scene. There were no injuries, Chevron said. The fire was seen at the refinery around 9:32 p.m. (12:32 a.m. ET), according to police in the coastal city of El Segundo. Video posted to social media showed a fireball and the night sky lit up by flames. “Chevron fire department pers

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