Early video from John Cullom taken at a house fire Monday afternoon on Old Westminster Road in Westminster, Maryland (Carroll County). Check out the video at 1:18. That moment is isolated on the video below titled, “Westminster_housefire_backdraft_or_flashover_or_smoke_explosion.”
Further below is additional John Cullom video from the fire. Thanks to Matt M. on Twitter for alerting me about this video. News coverage about the fire is here.