Update 1pm: It has being reported five people have been treated after breathing in smoke following a fire at a nuclear power plant on France's north-western coast.
EDF, which runs the Flamanville complex in Normandy, says staff immediately brought the flames under control.
It happened in a non-nuclear area of the plant and it is understood there is no radiation leak as a result.
Earlier: A number of people are thought to be injured following an explosion at a nuclear power plant in France.
The blast went off at around 9am (GMT) this morning at the Flamanville Nuclear Power plant, located on the Cotentin Peninsula, in La Manche.
French authorities have said that there is not thought to be a nuclear risk from the incident.
According to Ouest France, emergency services have attended the scene where a fire is blazing.