Islamist extremists are attempting to radicalise prisoners by deliberately getting custodial sentences or gaining jobs in jails, according to the Prison Officers Association (POA).

The warning comes as the justice secretary, Michael Gove, has ordered a review of how the prison and probation service tackle the radicalisation of offenders. The review will include an investigation into Muslim preachers radicalising inmates, according to the Sun.

But Glyn Travis, assistant general secretary of the POA, told the Guardian the problem of radicalisation was "far wider than imams", and accused the justice secretary and the head of the National Offender Management Service (Noms) of "burying their heads in the sand" over the situation.

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