Changes from week one can be highly sensitive to unusual factors in week one.

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Prime Minister David Cameron has defended the government's plans to expand secret hearings under the justice and security bill, saying the measure would allow highly sensitive evidence to be presented that otherwise could not be heard in court.

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She said highly sensitive material given by the government to author Sir Desmond de Silva would not be included.

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Home security firms provide a highly sensitive service for a relatively low cost a service which they believe can be delivered on a scalable basis to the masses.

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