VILLARDEVÓS   -   Scorching heat hampered efforts to contain 20 major wildfires across Spain on Sunday, prompting the government to deploy an additional 500 troops from the military emergency unit to support firefighting operations. In the northwestern region of Galicia, several fires have converged to form a large blaze, forcing the closure of highways and rail services to the region. Make sense of the latest ESG trends affecting companies and governments with the Reuters Sustainable Switch newsletter. Sign up here.