LONDON (Reuters) -Wildfires have killed two people in Spain and two others have died in France because of a heatwave that has gripped Europe and forced the closure of a nuclear reactor at a Swiss power plant.

Spanish authorities say two people have died in northeastern Spain in a wildfire that spread quickly before firefighters brought it under control. Catalan regional president Salvador Illa

Two people died in a wildfire in Spain's Catalonia region a day ago, which was largely contained though more wind and thunder storms were expected on Wednesday, emergency services and officials said,