The local community have and continue to support us in our efforts and a large team of detectives are currently working tirelessly on this case.
Local Safer Neighbourhoods teams will remain in the area to reassure locals and address any concerns residents may have.
Any witnesses are asked to contact detectives on 020 8358 0200 or Crimestoppers anonymously on 0800 555 111.
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Those gathered on the bridge fell silent at 2.40pm - the time the first call was made to police exactly seven days ago.