Four reactors of power plant invaded by animals

A French nuclear plant temporarily shut down on Monday due to a "massive and unpredictable presence of jellyfish" in its filters, its operator said. The swarm clogged up the cooling system and caused four units at the Gravelines nuclear power plant to automatically switch off, energy group EDF said. France24 C. Lam and France2 A. Guin and N. Poitevin report.