Prison officers who fear being beheaded by Islamic extremist terrorists: Inside Britain’s violent prison segregation units. Pure Evil.

EXCLUSIVE: The separation unit where the attack took place, at HMP Frankland in County Durham, is only one of two in the UK and houses a small number of the most radical terrorists. Located alone a single narrow corridor, it includes cells with sound-blocking glass ‘bafflers’ to prevent the men inside from radicalising inmates on other wings.