“Radical Islamist groups in the Netherlands have become a decentralized and elusive ‘swarm’ that may broaden their focus from the conflict in Syria to the wider Middle East, the Dutch intelligence service warned on Monday. Its report reflects widespread concern in Europe at the threat posed by European citizens – mainly from an Islamic immigrant milieu – leaving to fight in Middle East conflicts and returning battle-hardened and posing a security threat.”
Source: Dutch Islamist radicals becoming elusive ‘swarm’: spy service | Reuters