Two firefighting helicopters collided while fighting wildfires west of Athens on Sunday, Greece’s fire department said.
A search and rescue operation for the crews is under way in the Psatha area, it added.
Greek firefighters have been battling to control a huge wildfire that has destroyed over 100 homes northwest of Athens, while a fresh blaze forced evacuations on the popular tourist island of Kefalonia.
Europe has been ravaged by wildfires this summer after a period of record-breaking heatwaves and little rain – conditions that scientists say have been exacerbated by climate change.
Destructive blazes in France and Spain showed signs of easing over the weekend, but several wildfires have broken out in Greece after a period of relative calm there.
Gale-force winds that fuelled the fire around Porto Germeno on the Gulf of Corinth 60 km (40 miles) northwest of Athens have subsided, but flames crossed a mountain to the south and reached the settlement of Veniza and a military firing range, activating unexploded ordnance.
More follows on this breaking news story…