ATHENS, Greece -- Wildfires intensified across southern Europe on Wednesday after a nightlong battle to protect the perimeter of Greece’s third-largest city, with at least three more deaths reported in Spain, Turkey and Albania.

By David Latona PATRAS, Greece/MADRID (Reuters) -Hundreds of firefighters battled to put out wildfires across southern Europe on Thursday, some of which are believed to have been set deliberately by arsonists and stoked by an extended heat wave gripping the region.

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.