Tightening the Net

A series of sweeps across Spain netted a clutch of suspected Islamist extremists, but also fanned concerns that despite increased police pressure, jihadist activity has actually grown in recent months.

Some 500 members of the security forces staged coordinated raids across Spain and its northern Moroccan enclave of Ceuta last week, taking in 16 alleged members of radical Islamist groups. Five were charged with involvement in the March 11, 2004, Madrid bombings that killed 191 and injured over 1,000. Spanish authorities say the other 11 men are suspected of recruiting radicals to join the insurgency fighting U.S.-led forces...