Belgian authorities have prevented several attacks by jihadist fighters returning home from Syria and by sympathisers with the Islamic State extremist group, .\r<br>\r<br> Belgian Charlie Hebdo Attack Thwarted More Counterterrorism Raids Underway..NSA Justified (Redsilverj) More .\r<br>\r<br>CNN has obtained exclusive video from inside a Paris-bound train where two U.S. military members and a civilian foiled a terror plot.\r<br>\r<br>Belgium raids thwart plan to kill Policemen in the streets of Paris, France also .
