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Ex-MI5 head: 'Regret' 7/7 could not be stopped

Duration: 01:33

Eliza Manningham-Buller, former director-general of MI5, has expressed regret that it was not possible to stop the 7/7 attacks in London.

She was speaking during her second 2011 Reith Lecture, which will be broadcast on BBC Radio 4 on Tuesday 13 September 2011 at 09:00 BST and repeated on Saturday 17 September at 22:15 BST.

Available since: Tue 13 Sep 2011

This clip is from

Securing Freedom: 2011

Aung San Suu Kyi and Baroness Manningham-Buller deliver the 2011 BBC Reith Lectures

Image for Securing Freedom: 2011

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