Most of the arrests were in Barcelona , according to Spanish media . Police seize blank passports , national identity cards , Spanish media report . Investigators in all of the countries involved were now searching for links between the passport forgery ring and Islamic terrorists , the statement said . Police look for a printing machine in Valencia , one source says . Others : Police say ring also found in Italy , France , Germany , Belgium among others .
Most of the arrests were in Barcelona , according to Spanish media . Police seize blank passports , national identity cards , Spanish media report . Police look for a printing machine in Valencia , one source says . Others : Police say ring also found in Italy , France , Germany , Belgium among others .