Fire leads to explosion of propane tanks at Grass Valley home, officials say (VIDEO) | TheUnion.com

Fire leads to explosion of propane tanks at Grass Valley home, officials say (VIDEO)

A fire caused propane tanks to explode Tuesday morning at a Penstock Drive home.

No one was injured in a Penstock Drive house fire that caused an explosion when the flames reached propane tanks on a back porch, fire officials said.

Firefighters responded around 7:15 a.m. to 509 Penstock Drive, off Brighton Street. They saw the fire had reached about 50 percent of the home, said Jim Smith, a battalion chief with the Nevada County Consolidated Fire District.

"All the occupants got out of the house before our arrival," Smith added.

Video submitted by Jennifer Seim.

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