Cal Fire's state fire marshal was leading the investigation at the Inner Richmond home on 2nd Avenue, between Geary Boulevard ...

It has been one week since the explosion rocked this tight-knit community, beginning a massive investigation into what caused ...

The State Fire Marshal's Office is leading the complex investigation, and said investigators are focused on pinpointing where ...

The San Francisco home was listed as Devastating Pyrotechnics' business address, according to the Secretary of State's office.

Law enforcement agencies throughout the Northern California region confirmed that several search warrants related to a ...

During the investigation, deputies obtained surveillance video of the incident, which can be found in the story.