A nuclear plant in northern France was temporarily shut down on Monday after a swarm of jellyfish clogged pumps used to cool the reactors, energy group EDF said.

Last weekend, a surprising and uncommon issue arose at one of the biggest nuclear power facilities in Europe. It was not a storm, a technical breakdown, or a security threat. Instead, it was an invasion of jellyfish that forced part of the facility to stop operations.

A nuclear plant in the north of France was forced to shut down on Sunday, August 10, after it was sabotaged by the most unusual of creatures: a swarm of jellyfish. According to an operator from