Syria crisis: Young French men 'brainwashed' to fight
19 August 2013 Last updated at 20:11 BST
Concerns are growing that the impact of the conflict in Syria is not just being felt in the region as increasing number of young men in France have become radicalised and travel to fight there.
As the French government threatens to jail those who join the conflict, the father of two men who converted to Islam, has given an exclusive interview to the BBC claiming his sons were brainwashed.
Christian Fraser reports from Toulouse.