MADRID, Spain -- Police investigating radical Islamic cells in Spain arrested three Algerians and a Moroccan on Tuesday. The four men were detained in the northern cities of Victoria and Teruel and in Madrid, said a national police spokesman, who spoke on condition of anonymity. The Moroccan, Khalid Zeimi Pardo, 27, is suspected of ties to Moroccan fugitive Amer el Azizi, who is wanted in connection with the Madrid terror bombings and the Sept. 11 terror attacks in the United States, the spokesman said. Zeimi Pardo also had contact with the alleged mastermind of the Madrid attacks, a Tunisian named...