[MIchaelTArchangel]

Little smoke and no fire usually is NOT the result of a natural gas explosion. Little smoke and no fire is the signature of a bomb.

[Moonman62]

People working in the building could smell the gas before it exploded.

One was on the phone with the gas company when the explosion happened.

https://www.sun-sentinel.com/local/broward/plantation/fl-ne-explosion-plantation-day-2-20190707-nhtevdox55epdeakogdlo3b5ny-story.html