Dubbed a "heat apocalypse" by one French meteorologist, many nations in Europe are sweltering under record temperatures, causing devastating fires in some parts of the continent.
Spain and Portugal have seen over 1,000 deaths in the last week attributed to the weather, according to Reuters. Firefighters in France and Greece have also been out in force to try to combat huge wildfires in rural areas.
Heat records have been broken in many parts of Western Europe, with Britain recording its hottest-ever day Tuesday.
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London Mayor Sadiq Khan said the capital's fire brigade had declared a major incident after a "huge surge" in fires across the city Tuesday. At least one home was completely destroyed and several others severely damaged after grass fires broke out in a village on the outskirts of east London, Sky News reported.
In Germany, fears are growing over falling water levels in the Rhine River, a vital shipping route in Europe's economic heart.
A fire burns during a heatwave, in Rainham, east London, in Britain
A car drives near a fire that burns during the UK heatwave, in Rainham, east London
A firefighter attends a gorse bush fire, during a heatwave near Zennor, Cornwall, in Britain
Firefighters try to extinguish a wildfire next to the village of Tabara, near Zamora in northern Spain
Paramedics help a patient into an ambulance during a heat wave in Barcelona, Spain
Firefighters take positions as smoke rises from a forest fire near Louchats, in the Gironde region of southwestern France
Firefighters operate at the site of a wildfire in Pumarejo de Tera near Zamora, northern Spain
Firefighters respond to a wildfire that broke out in woodland at Lickey Hills Country Park on the edge of Birmingham, England
A helicopter works during a forest fire in Cebreros in Avila, Spain
Firefighters try to control a forest fire near Louchats in Gironde, southwestern France
Tourists look at the plume of dark smoke over the Dune of Pilat from Cap Ferret due to a wildfire in a forest near La Teste, southwestern France
A puddle of water amid the nearly dried-up river bed of the Rhine in Cologne, western Germany
—CNBC's Karen Gilchrist contributed to this article.