These photos are of a Springfield XD .45 was blown up after a squib load (a low powered load that does not have enough energy to push the bullet out the muzzle) blocked the barrel and another full power loaded round was fired.
The pressure generated blew off the top of the chamber, caused a bulge in the slide, and gorged the frame and also destroyed the extractor and loaded chamber indicator.
I am pleased to be able to say that the shooter was not injured. He is one lucky guy.
More info at XDTalk forum.
Hat Tip: Blue Gun Blog