“It is disappointing but inevitable that the inquiry has been shelved.

“We must get to the bottom of these allegations of mistreatment as soon as possible. The credibility of our intelligence services depends on it.

“I am pressing the Justice Secretary to announce how soon a new inquiry will be established once the police investigations into the Libyan allegations are complete.

“I am also questioning whether, in the interim, there should be an enhanced role for the Independent Reviewer of Terrorism Legislation to investigate the Intelligence Services.”