A blaze in southern France forced the closure of the Marseille airport, and weather agencies issued warnings for other parts of Europe where temperatures were expected to climb this week.

Four people died in Spain, two in France and two in Italy as an early summer heat wave continues to grip much of Europe this week.

Humanity’s burning of fossil fuels directly led to the deaths of at least 1,500 people in a European heatwave last week, a landmark study said.