Rooting out this cancer from the GLA is not just a Blimpish kneejerk reaction from old Radders, or vilification by Channel 4, or Gilligan's revenge in the Standard. They really are a pernicious lot. Back in the cold war days they would no doubt have been infiltrated by MI5.
Don't take my word for it; this analysis by the, er, Communist Party of GB says it all. In particular the ideological justification for 'empowering' the Muslim voice and hijacking the moderate left's political structures to give it prominence.