I agree with Peter, but if you have too cut it up, rather than the 30 pound cutters above you can proberbly get an angle grinder for half that (here its often cheaper to buy than hire for half a day), we use them here comercially, and they sometimes even last a year or so (got a box of stuffed ones), but as Tel says, a good pair of pliers should do it, how about fencing pliers, minr are in the form of a multi use fencing tool, combining pincers(removing staples),pliers, wire cutters and a hammer. Overall length 10". Modern fencing wire here and Austrailia is high tensile, about 10 gauge, a little nick, and a twist, and it breaks.
Ian S C