article_snippet: Hundreds of extremists have left Western Europe via Turkey to join militants in Syria (a radical is pictured in Raqqa, above)
article_snippet: Turkey has become the preferred transit route for European jihadists travelling to fight in the Middle East for extremist organisations such as Islamic State.
article_snippet: ‘The Western Balkans is not stabilized.
article_snippet: Then you have the Ukraine, Syria, Iraq, North Africa.