Nicola Edgington has been found guilty of the murder of grandmother Sally Hodkin and the attempted murder of another woman, Kerry Clark in a knife attacks in Bexleyheath in 2011.
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Paramedics were called to reports of an unresponsive baby girl on a bus in east London - she later died in hospital.
Transport for London is not happy that its branding has been used.
If you've been anywhere near Trafalgar Square today you'll notice something different.