Kind of reminds me of a frantic call I once took from a local gas station. A woman had pulled up to get some gas, and had spilled some on her sleeve (it was one of those cheap pumps that spits a little bit if it kicks on before you get the nozzle into the tank). So like a dumbass she lit a cigarette, and her sleeve caught fire. The cops got there first (they were only a couple of blocks away) and saw her running around flailing her flaming arm around and shrieking like a banshee. They arrested her.
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For waving a firearm.
From the title I thought that the naked man was running at such a high speed (due to not being weighed down by clothing) that his prosthetic leg caught on fire. That would have been much cooler.
Reminds me of the one-armed guy I saw feeding branches into a wood chipper. It may seem inappropriate, but so many people laugh when they form the image in their minds.