One of the young people at 'Time to Shine' was Liam Archer who competes in partially-sighted football. He hopes to represent Britain at the next Paralympics in Rio. Ria Chatterjee spoke to him.
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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.