Fire investigative expert on what officials will look for after explosion

ST. LOUIS (First Alert 4) — First Alert 4 Investigates spoke with a number of fire experts. Many of them agree that, looking at the damage, there had to be an immense amount of fuel.

“This explosion is consistent with what I see in gas explosions, both natural gas and propane,” said Richard Meier, a fire investigative expert who has investigated hundreds of fires around the country.

He says local investigators will first look to see what exactly fueled the blast. It was not clear on Monday whether gas was involved…

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