The extreme heat has brought health warnings, school closures and restrictions on outdoor work. Related Greece heatwave: What travellers need to know as archaeological sites shut and wildfires loom In France,

Four people died in Spain, two in France and two in Italy as an early summer heatwave continued to grip much of Europe on Wednesday, triggering health alerts and forest fires and forcing the closure of a nuclear reactor at a Swiss power plant.

A heatwave that has scorched large parts of Europe in recent days is beginning to subside. Alerts remain in place across multiple countries.