A fourth person died as wildfires blaze on in Spain and parts of Europe worsened by sweltering heat fueled by effects of climate change. Spain's weather agency, Aemet, warned the public on Monday to be "cautious" of the "very high or extreme fire danger" in most of Spain as it reported high 108 degree Fahrenheit temperates on Sunday in Cadiz in the southern tip of Spain only miles to the Strait of Gibraltar.

Raging wildfires in Spain have now encroached upon the southern slopes of the Picos de Europa mountain range, prompting authorities to close a section of the revered Camino de Santiago pilgrimage route.

Spain deploys 500 additional soldiers to fight devastating wildfires as extreme heat fuels blazes across Europe.