Sweeping up large numbers of terror suspects and putting them under house arrest or in prison would worsen the threat to Britain, an ex-Scotland Yard chief has warned.

Lord Blair said internment for potential Islamic jihadists could lead to hunger strikes, fuelling anger and grievance among the country's Muslims.

In the wake of the Manchester attack, there have been calls to imprison hundreds of British-based extremists without charge to end the risk of them wreaking carnage.

Champions of this policy claim that taking dangerous individuals off the streets would ensure they could not murder and maim innocent citizens.

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