article_snippet: Scroll down for video .
article_snippet: Ms Blears branded Liberty's views
article_snippet: Ms Blears said Ms Blears was ‘unacceptable’ to suggest capability should not be used to prevent a terror attack .
article_snippet: ’ Graham Foulkes, whose son David, 22, was killed in the 2005 London bombings, told The Times:
highlights_snippet: Labour MP Hazel Blears branded policy director's views as 'unacceptable' 