As Contra Costa County Fire and Martinez Refining Company investigators sift through the damage, refinery workers have returned to their posts in an attempt to prevent further incidents, following

The Contra Costa Fire Protection District said six workers at the refinery were injured, and four needed to be hospitalized.

Martinez residents and community leaders voiced outrage Monday after a refinery sent smoke billowing into the air and generated dozens of complaints.

An East Bay community is still feeling the effects from a weekend fire at the Martinez Refining Company that emitted huge plumes of smoke and injured six refinery employees.The fire at the facility prompted a public health advisory on Saturday that had local residents sheltering in place into the evening.