My answer? Works fine, as long as you don't need to collect supplies from that area afterwards. Or possibly be standing nearby yourself, afterwards.
"Ha-ha! Man, look at those zombies burn!"
"Oh, yeah. Look, one's down already."
"I'd bet five that the one with the hat is the last one down."
"No bet. He's still staggering along pretty good there... Hey, is he heading for the gas station?"
"Oh my God, I think he is..."
::Sound of running footsteps::