Aug. 18 (UPI) -- 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.

"Although the heat wave is starting to subside," Aemet officials said.

"Very high temperatures will still be reached today in the east and south of the (Iberian) peninsula."

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