A micro blackhole has caused a fault to form in the wall of the LHC, causing a ton of liquid Helium to spill into the tunnel. The loss of the coolant has forced a shutdown due to the over-heating of the supercooling magnets.
http://www.cnn.com/2008/TECH/science/09/20/hadron.collider.damage.ap/index.html
This is an experimental post, some of what you read in this post is fiction. Beat you to the punch Onion!
Tags: black hole, helium, higgs boson, lhc, singularity, ssb