The world's most famous scientific experiment has been taken down by a weasel.
The Large Hadron Collider, which smashes particles together underground in Switzerland, experienced a power outage caused by a short circuit.
According to the New Scientist, the "severe electrical perturbation" was caused be a weasel chewing through a power cable at the CERN facility near Geneva.
“I can confirm that we had some issues overnight with electrical trouble,” said CERN spokesperson Arnaud Marsollier. “We suspect it might be due to a small animal.”
The power cut occurred in the early hours of Friday morning.
A spokesman for CERN told the BBC the weasel did not get into the miles of tunnels that house the experiment, but only accessed the electrical facilities.
The New Scientist reported the weasel was "fried" and did not survive.
The weasel critter chewed on a 66-kilovolt electrical transformer, internal CERN documents revealed.
Arnaud Marsollier told the BBC it was "not surprising" that the event took place, because the collider is based in countryside near the France–Switzerland border.