The fourth of our Local Hero contenders for this year's Daily Mirror Pride of Britain Awards is Cassandra Delisser from Hackney.
She helps young people facing serious challenges to enjoy some independence.
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A teenager has been airlifted to hospital after being stabbed outside a DLR station in south-east London.
By law, the Met Police has a duty to police public land outside grounds - that's costing them £9.3m a season.
John, who began running for Age UK back in the 1980s when he was aged 53, has raised an incredible amount since then - more than £40,000.