A fire in the Catalan Province of Tarragona has destroyed some 6,500 hectares of wooded land.
This was disclosed by fire brigade official Antoni Ramos on Friday.
Mr Ramos said that in spite of a successful fire-fighting operation overnight, the flames had not been fully brought under control.
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Some 400 fire fighters supported by helicopters and other aircraft were battling the flames on Friday.
The total reach of the fire covers 20,000 hectares of land, Catalan Interior Minister Miquel Buch told journalists in Vinebre, adding that heat and strong winds were complicating firefighting efforts.
The fire which broke out on Wednesday led to evacuation of many homes in Torre de l’Espanyol, Flix, Vinebre and Palma d’Ebre on Thursday.
Officials said that German, US, Dutch, British, Belgian and Brazilian nationals were among those brought to safety.