Cooler weather helps Spain tackle wildfires while rain helps in Germany

Smoke rises over San Martin de Unx in northern Spain (Miguel Oses/AP)

Cooler temperatures have helped firefighters stabilise a wildfire in north-western Spain that reports say is the biggest on record in the country.

The fire in the Sierra de Culebra mountain range in Zamora province has burnt 31,000 hectares (77,000 acres) so far.