Spanish police have arrested four members of a family, including twin teenage boys who were allegedly about to travel to Syria to become jihadi fighters. <br /><br /> The parents and their sons were detained in Badalona, near Barcelona.<br /><br /> Government sources say the teenagers had dropped out of school and started studying at an Islamic centre in Morocco. <br /><br /> Spain has been carrying out raids on a series of suspected extremist cells in recent months, most of them in Ceuta and Melilla, two Spanish-governed coastal cities fenced off from northern Morocco. Tuesday’s raid in Catalonia marks the fourth this year.
