The police have arrested a 26-year-old Pakistani man “suspected of belonging to a global jihadist network which is preparing attacks in Western Europe,” including Britain, France, Germany, Portugal and Spain, the public prosecutor’s office said in a statement. Prosecutors said he had ties to a cell of Islamists that was largely dismantled after raids in Barcelona in January. Spain’s interior minister, Alfredo Pérez Rubalcaba, said the cell had been on the verge of “violent action.” The Dutch police had been investigating the suspect, who was not identified, since late January.