Thousands of firefighters worked overnight to contain dozens of deadly wildfires burning across Spain and Portugal as heat and gusty winds spread blazes through dry brush, forests and crops.

Portugal suffered its first death Friday from the fires raging there, as Spain's weather agency warned of a "very high to extreme risk" of more wildfires there during Europe's intense heatwave. The risk of fires on Friday and over the weekend through to Monday was "very high or extreme in most of the country",