Fireworks sparked 4-alarm grass fire in Pittsburg

Fireworks were the cause of a 120-acre grass fire last week that threatened 100 homes and forced the mandatory evacuation of 2,200 residents, officials from the Contra Costa County Fire Protection District announced on Wednesday. 

Fast moving grassfire threatens homes in Pittsburg

Firefighters battled a fast moving grassfire in Pittsburg Tuesday afternoon, which threatened a nearby neighborhood. The fire, which at one point grew to nearly 20 acres, was caused by someone living in a nearby homeless encampment, according to Contra Costa County Fire.