Police said the men were linked to the Barcelona attack, which so-called Islamic State said it had carried out.

Police are still hunting the man who drove his van into crowds on Las Ramblas in Barcelona on Thursday.

Spanish media have named Moussa Oubakir, 18, as the suspect. He is the brother of Driss Oubakir, whose documentation was allegedly used to rent the van involved in the attack.

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BBC News