Although jihadists have to this point seemed to find no difficulty in slipping between Europe and the Islamic State by way of porous eastern borders and Turkey, the enormous volume of humans crossing the Mediterranean every week, and EU-funded efforts to help them, appears to be offering another route of ingress. Counter-terror chief Gilles de Kerchove said: "We must be vigilant. It is relatively easy to enter into the European Union when one joins an influx of refugees", reports TheLocal.at.
Probably premature to consider visas, passports, border checkpoints, that sort of thing.