Spanish police have arrested 16 suspected Islamist militants, 11 of whom were linked to al Qaeda’s leader in Iraq, Abu Musab al-Zarqawi, the Interior Ministry said on Wednesday.The other five were suspected of being linked to the March 2004 train bombings in Madrid, the ministry said in a statement. More than 500 special police agents participated in the operation in Madrid, Barcelona, Valencia and Cadiz, the ministry said.Full Story