Problem solved...I used a cut off wheel to remove the lock...The tire itself was very deformed and warped. Could not tell when on the jeep but when off it rolled like a drunken sailor on shore leave! (apologies in advance to all sailors drunk or not!)
Thanks guys <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/patriot.gif" alt="" />