Chemical factory

MAP: What are France’s high risk ‘Seveso’ sites and where are they?

Why are the sites called ‘Seveso’ and which region has the most sites nationwide?

There are over 1,300 French chemical plants or other sites classed under EU directives as posing a particular risk to the surrounding environment

Authorities responding at the Bergerac site have said that there was greater risk ‘in the explosion itself than the pollution it could create’