A nuclear power plant in northern France hit by a jellyfish invasion was getting back online on Wednesday, operator EDF said, with service restored at the first of four closed reactors. The Gravelines facility near Dunkirk on the French coast is the largest nuclear power plant in western Europe,

A jellyfish swarm forced the shutdown of reactors at France`s Gravelines nuclear plant. One reactor has restarted, with others to follow.

A huge nuclear power station in France has temporarily shut down after a "massive and unpredictable" swarm of jellyfish swam into the cooling system.