In the wake of the atrocities carried out in Brussels, Sky News can reveal the existence of a so-called “Suicide Brigade” – a group of fighters trained in Syria for this exact purpose.
We have also found a clear connection to Belgium in the cache of I.S files recently handed to us.
Our Chief Correspondent Stuart Ramsay has been going through the documents to see what they may reveal.
SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews
Follow us on Twitter: https://twitter.com/skynews and https://twitter.com/skynewsbreak
Like us on Facebook: https://www.facebook.com/skynews
For more content go to http://news.sky.com and download our apps: