A fire at one of the nation's largest refineries is out.
San Francisco Bay area-based KGO-TV reports that the fire at Chevron's refinery in Richmond, about 10 miles northeast of San Francisco, was doused early Tuesday morning.
Chevron spokeswoman Heather Kulp, however, said at a 5 a.m. news conference that officials were conducting a controlled burn.
The fire spewed black smoke over cities in the San Francisco Bay area. It was contained and a shelter-in-place order lifted on Monday night.
Hospitals have reported receiving more than 200 patients — some complaining of shortness of breath — since the fire started.
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