Fermilab, the American company building the magnets used in the LHC, made some “elementary mistakes” in their design that caused an explosion in the tunnel. This will cause a delay of several months.
For the conspiracy minded, I will quote this section of the article:
And if current theories are incorrect? What then, Mr. Smartypants? What will your science do for us then?
(Personally, I’m holding out for an earth shattering kaboom, myself.)