Law enforcement agencies throughout the Northern California region confirmed that several search warrants related to a fireworks facility explosion that killed seven people

Cal Fire's state fire marshal was leading the investigation at the Inner Richmond home on 2nd Avenue, between Geary Boulevard and Anza Street, a Yolo County spokesperson said.

The Yolo County Board of Supervisors on Tuesday declared a local emergency after the July 1 deadly Esparto fireworks warehouse explosion and fire.The declaration asks for federal and state agencies to provide disaster response,