Concerns over far right violence

The government's strategy for combating extremism is being revised to focus on white racist groups as well as Islamic radicals.

The Government is seeking to counter white racist groups

File on 4 assesses the threat of attacks by right-wing extremists and fears that they could lead to a rise in racial tensions.

Allan Urry investigates claims that some far right groups are deliberately seeking to provoke racial tension and fermenting violence.

And he hears the effect the internet has had on promoting race hatred and potential terror attacks by right wing extremists.

Listen to File on 4, Radio 4, Tuesday 22 September 2009, 2000 BST, repeated Sunday 27 September 2009, 1700 BST.