Wildfires caused by arsonists or thunderstorms and fanned by a heatwave and strong winds continued to rage across southern Europe on Wednesday, burning houses, farms and factories and forcing the evacuation of thousands of residents and tourists.

Firefighters are battling several wildfires in Greece as a scorching heatwave wreaks havoc across southern Europe. In the past 24 hours alone, more than 152 new fires have broken out across Greece - and thousands of people have been evacuated. Around 4,850 firefighters are engaged in a multi-front battle to contain the flames.

Firefighters were battling blazes in France, Spain and Portugal. Forecasters warned that temperatures would soar above 110 degrees Fahrenheit in some places.