MARTINEZ — A leak led to an explosion and massive fire at a refinery with a history of issues Saturday, prompting a shelter-in-place for much of Saturday evening after black smoke spread across ...

A massive fire erupted Saturday at Tesoro Golden Eagle Refinery after an explosion, with eyewitness videos showing smoke.

One of the gas cylinders affixed to the truck burned for several hours, officials said, creating a challenge for firefighters and residents who feared another explosion. "Obviously, this is a ...