They 're accused of recruiting , sending fighters to aid the ISIS terrorist group . The US has been bombing them for years and they haven't stopped fighting back. The arrests come just ahead of the proclamation of Spain 's new King Felipe VI on Thursday . The new King and his wife , Princess Letizia , who will become queen of Spain , are due to ride through the streets , from Parliament to the royal palace , and city officials have urged Spaniards to turn out for the parade and to hang Spanish flags from their homes . This week , thousands of police and security forces will be on alert during coronation festivities .
They 're accused of recruiting , sending fighters to aid the ISIS terrorist group . The US has been bombing them for years and they haven't stopped fighting back. The arrests come just ahead of the proclamation of Spain 's new King Felipe VI on Thursday . This week , thousands of police and security forces will be on alert during coronation festivities .