article_snippet.sent: (CNN)A natural gas line explosion at a law enforcement shooting range in Fresno, California, injured 11 people, including some inmates who were on a work detail there.
article_snippet.sent: The exact cause of Friday's blast is under investigation, Fresno County Sheriff Margaret Mims said, but The exact cause of Friday's blast happened at the spot where a county worker was operating a front loader.
article_snippet.sent: The exact cause of Friday's blast sparked a fire that roared like a jet engine, Fresno County Sheriff Margaret Mims said.
article_snippet.sent: After Friday's blast, Fresno County Sheriff Margaret Mims said, two sheriff's deputies who were at the firing range ran toward a fire that roared like a jet engine to move the injured.
article_snippet.sent: CNN affiliate KFSN posted a video of the scene that shows a tall ball of fire rising from near a highway.
article_snippet.sent: Firefighters put out Friday's blast, revealing a crater at the blast site and a blackened front loader, Fresno County Sheriff Margaret Mims said.
highlights_snippet.sent: The cause of a gas line explosion in Fresno, California, is unknown .
  