Tolerating the Intolerant?

Reporter Jenny Cuffe investigates claims that one of the groups behind the blasphemy law in Pakistan is also active in the UK. The religious extremists are accused of spreading a hate message against members of other Islamic sects who they regard as infidels. One group that's been targeted accuses the authorities of not doing enough to protect them - and says political correctness has resulted in Britain tolerating the intolerant.
Producer: David Lewis.