Overview
- The explosion and three-alarm fire erupted on East Lewelling Boulevard in Ashland near Interstate 238, prompting evacuations and road closures.
- PG&E reports a third-party construction crew damaged an underground gas line around 7:35 a.m.; gas was released at multiple locations before isolation.
- Utility crews isolated the damaged line by about 9:25 a.m., and the explosion followed around 9:35–9:40 a.m., according to officials.
- At least three buildings on two properties were significantly damaged, with an adjacent property sustaining minor-to-major damage, fire officials said.
- The work area is part of a county project to widen sidewalks and bike lanes linked to Redgwick Construction, and agencies have opened a joint investigation.