WATCH: Dude Throws Cigarette Down Sewer & Gets Blown Up

We all know smoking kills...but we never thought it could get you blown up! This dude thought he'd get rid of his cigarette butt by dropping it down a hole into the sewer. Too bad the sewer was backed up with flammable gas...watch this video! I'm surprised he lived! And it blew up right as he looked down into it!