UPDATE: A Kern County Fire Department spokesman said a 55-gallon drum exploded in the back of a building operated by NuSil. Two workers were injured. He said the drum contained “mixed flammable liquids,” but he didn't say what exactly caused the explosion. The original story is below. --- Some workers have been evacuated and firefighters have responded after a loud noise, like an explosion, was heard Wednesday morning on the 2300 block of Pegasus Drive, near Meadows Field Airport. Path to Full Story on 29 Eyewitness News