Firefighters in Greece, Portugal, and Spain continue to battle wildfires amid a prolonged heatwave.

Hazy sunshine has replaced last week's fierce heat in parts of the UK, and it's down to how smoke particles break up rays of light, but along with the lower temperatures, there could be some memorable sunsets and sunrises.

Firefighters in Spain, Portugal and Greece battled ongoing wildfires Friday, an important religious holiday in all three countries, as persistent hot, dry conditions challenged efforts to contain the blazes.