A year after riots took hold of London, many people still feel that lessons have yet to be learnt.
An LBC poll out today revealed 3 in every 4 Londoners think the Government hasn't dealt with the underlying problems that resulted in the widespread looting and vandalism last summer.
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George Michael died in December last year at the age of 53.
PC Keith Palmer, 48, stabbed by Khalid Masood while on duty in the grounds of the Palace of Westminster last Wednesday.
Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.