it was not oxy or accet as they are laying next to the van in tact with a bottle of r22 and a bottle of r404a it think.it is very common in Melbourne to use mapp gas to weld small diameter pipe work and allot of fridgies leave them rolling around in there tool bags.there was a similar incident in the late 90's in Melbourne that had the same out come.R.I.P Joe Cosentino.......