Shackle bolt stripped out in unibody...Help

im putting on a 6.5 kit from rustys and i was taking off the upper passenger side shackle bolt and it just broke loose and you can tell the nut welded to the unibody is just free spinning with the bolt because it broke loose.. anybody else delt with this or have a solution on how to get it out?
thanks

got to search the forum, found this in 2 minutes

http://naxja.org/forum/showthread.php?t=988610&highlight=shackle+bolt

sawzall