More than 40 people have died in Algeria, Italy and Greece as Mediterranean wildfires threaten villages and holiday resorts, and thousands have been evacuated.
Greece is preparing for more evacuation flights from Rhodes, as fires also rage on the islands of Corfu and Evia.
The current long heatwave shows no let-up – temperatures are expected to rise above 44C (111F) in parts of Greece.
Fires in Sicily and Puglia have forced thousands of people to flee.
High winds and tinder-dry vegetation mean firefighters are struggling in many areas to douse the flames and create firebreaks.
The heaviest death toll so far is in Algeria, where the 34 victims included 10 soldiers surrounded by flames during an evacuation in the coastal province of Bejaia, east of Algiers. Bejaia is the worst-hit area, accounting for 23 of the deaths, local media report.
Algerian authorities said 80% of the blazes had been put out since Sunday, but a massive firefighting effort continues, involving about 8,000 personnel, hundreds of fire trucks and some aircraft.
Fires have also raged in neighbouring Tunisia, where 300 people had to be evacuated from the coastal village of Melloula.
In Greece, the Civil Protection Ministry warned of an “extreme danger” of fire in six of the country’s 13 regions on Wednesday.
A team of climate scientists – the World Weather Attribution group – said this month’s intense heatwave in Southern Europe, North America and China would have been virtually impossible without human-induced climate change.
Two pilots died on the island of Evia, just north of Athens, when their Canadair firefighting plane crashed into a ravine. Elsewhere on the island a man’s charred body was found in a remote rural shack.
On the island of Rhodes more than 20,000 people have been evacuated from homes and resorts in the south in recent days. An airport official told AFP news agency that more than 5,000 had flown home on more than 40 emergency flights between Sunday and Tuesday.