Speaking with officials about fire safety following Gallatin home explosion

GALLATIN, Tenn. (WKRN) — A Gallatin home exploded Thursday morning, sending shrapnel flying through the neighborhood and leaving one person injured.

Though the cause of the blast — which neighbors likened to an "earthquake" — is still under investigation, some witnesses worry that it was caused by a gas leak. The cause of the explosion is still under investigation by the Gallatin Fire Department and the Tennessee Bureau of Investigation.

Matthew Lupo, fire chief for Nolensville Fire & Rescue, said the department isn't working the case, but said that companies add a sulfur smell to natural gas and propane for safety reasons. Otherwise they're odorless. If you do smell a rotten egg smell, he has some tips.

"First, evacuate the house. Don't flip any switches on the way out," Lupo said. "Ju