President of Catalonia Carles Puigdemont looks on during a press conference at the Generalitat (Catalan Government) in Barcelona on August 20, 2017.
Police said they had cast a dragnet for 22-year-old Younes Abouyaaqoub, who media reports say was the driver of a van that smashed into people on Barcelona's busy Las Ramblas boulevard on August 17, killing 13. An extensive operation including roadblocks was deployed across Catalonia, police said, urging people not to disclose information about the checkpoints. / AFP PHOTO / LLUIS GENE        (Photo credit should read LLUIS GENE/AFP/Getty Images)