Authorities warned of "unfavourable conditions" to tackle flames that have already killed seven people and burned an area the size of London.

Spain on Friday warned of "very high or extreme fire danger in most of the country," as firefighters there continue battling 14 blazes in temperatures up to 104 degrees Fahrenheit.

All of Spain was on heatwave alert on Friday, while the weather agency warned that much of the country was at "very high to extreme risk" from wildfires.The situation had improved for several other southern European countries,

The UAE embassy in Spain warned citizens to exercise caution due to a severe heat wave. The heat has led to wildfires in most parts of the country, the mission said. The embassy stressed the need to follow safety instructions issued by the authorities.