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CIA report: 'Brutal' interrogations post-9/11

A committee of the US Senate has delivered a damning indictment of the interrogation methods used by the CIA in the wake of the 9/11 attacks, branding them both brutal and ineffective.

A report says one detainee froze to death after being chained to a concrete floor.

Others were deprived of sleep for up to 180 hours.

In a statement, the CIA insisted the interrogations had helped save lives.

Jon Sopel reports from Washington

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