A 20-year-old from Plumtead has been telling London Tonight how he's used the devastating murder of his best friend to turn his own life around.
Rather than be involved in crime, Timi Jogunosimi is ploughing most of his time into a football project, which is helping other vulnerable young people in South London.
Watch Jamie Shepherd's report:
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The lukewarm reaction comes a week after the prime minister name-checked the mayor as a possible successor.
At 15 metres high, make a dramatic entrance at London's Hayward Gallery.
Jason Edwards was compared to a boxer - relentlessly cornering and punching his opponent on the ropes.