"The offences we are looking at basically amount to the financial abuse of the most vulnerable members of our society. The evidence would suggest that these vulnerable people have been groomed and then preyed upon by a group whose sole intention appears to be to line their own pockets.”
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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.
Simon Lucy, 61, filmed hundreds of hours worth of footage on the London Underground network.