Anselm Legemah, 18, has been convicted of one count of violent disorder, following the fatal stabbing of Liam Woodards in Westfield shopping centre in 2012. He will be sentenced on 7th April 2014.
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On their platinum wedding anniversary, a full celebratory peal sounded from Westminster Abbey.
Charity, Hestia, says there are currently enough victims to fill three Piccadilly line trains at any one time.
The woman, named locally as Cathy Burke, 55, was found by police on Thursday after neighbours became concerned she had not been seen.