Thousands of firefighters backed by the military and water-bombing aircraft on Monday battled dozens of wildfires across Spain and Portugal, as the death toll increased to six since the outbreaks began.

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.

Two firefighters have died across Spain and Portugal as the Iberian peninsula grapples with devastating wildfires exacerbated by an enduring heatwave. Thousands of firefighters have been deployed across southern Europe in recent weeks to beat back a series of deadly blazes.