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The prison officers who fear being beheaded by Islamic extremist terrorists: Inside Britain's violent prison separation units
EXCLUSIVE: The 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.
EXCLUSIVE: The 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.
