Two mothers whose sons were stabbed to death in the same year have taken their campaign for peace to a school in East London.
Jimmy Mizzen and David Idowu were both murdered in 2008.
Their mothers have spent 100 days touring the capital speaking to young people about avoiding violent confrontations.
Their project will end with a concert on Sunday.
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The man suffered head injuries after falling from Westminster Bridge and landing on concrete steps.
The average temperature for this time of year in London is 16C, the weekend will be seven degrees above average.
Nearly 50 people were forced from their homes as London Fire Brigade cordoned off the area around Brickfield Cottages, in Plumstead.