An explosion at the French nuclear site of Marcoule injured four people and killed one, France's ASN nuclear safety watchdog said, but local police said there was no risk of contamination.
A safety zone has been set up around the site as a precaution.
Interior ministry spokesman Pierre-Henry Brandet confirmed that there had been no leak of radiation, neither inside nor outside the plant.
Marcoule is a nuclear waste management site that does not include any reactors. The explosion took place near a furnace,
City A.M. Reporter