I guess the idea of passing the hose through the window of the illegaly parked car was to get the straightest path possible for the hose.
Running it around the car or over the car would have kinked it. I don't think you want any kinks when you're dealing with pressure that high!!!
The driver of the car will think twice next time he parks in front of a fireplug.
Re Halon: Doesn't it surprise you that all the effective stuff either gets outlawed or discontinued? Hmmm....
