The Brief
- NTSB investigators are looking into the cause of a fire and explosion in unincorporated Alameda County.
- Six people were injured, including three PG&E employees. All were sent to hospital, several with burns.
ALAMEDA COUNTY, Calif. – Federal investigators are working to determine how a gas leak escalated into a massive fire and explosion that injured six people and shook a residential neighborhood near Hayward, officials said Friday.
The NTSB said a team of four investigators arrived on scene to begin documenting the area and collecting evidence, marking the initial phase of a broader investigation.
The agency said it will examine human factors, the pipeline system and the surrounding operating environment, but will not determine a cause at this stage.…