Thousands of firefighters, backed by soldiers and water-bombing aircraft, have battled more than 20 major wildfires raging across western Spain, where officials say a record area of land has already been burned.Spain and neighbouring Portugal have been particularly affected by forest fires spurred by heatwaves and drought, blamed on climate change, that have hit southern Europe.Two firefighters were killed on Sunday – one in each country, both in road accidents – taking the death toll to two in Portugal and four in Spain.Spain’s civil protection chief, Virginia Barcones, told public television TVE that 23 blazes were classified as “operational level two”, meaning they pose a direct threat to nearby communities.The fires, now entering their second week, are concentrated in the western regions of Castile and Leon, Galicia, and Extremadura, where thousands of people have been forced to flee their homes.More than 343,000 hectares (848,000 acres) of land – the equivalent of nearly half a million football pitches – have been destroyed this year in Spain, setting a new national record, according to the European Forest Fire Information System (EFFIS).The previous record of 306,000 hectares (756,142 acres) was set in the same period three years ago.Help from abroadSpain is being helped with firefighting aircraft from France, Italy, Slovakia, and the Netherlands …