BENICIA — Safety officials issued a shelter-in-place for residents, and Contra Costa County health officials called on a hazardous materials team to investigate the impact of a fire that broke out Monday at the Valero Refinery.

A fire erupted at the Valero Benicia Refinery in California on Monday, sending massive plumes of black smoke into the air as firefighters raced to battle the inferno

BENICIA, Calif. - The Valero Refinery on Monday morning was on fire in Benicia, according to the fire department. The fire was reported about 9 a.m.