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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They found a sheepish looking ewe with a traffic cone on her head in the middle of a field.
Most importantly we need you to look after yourselves and each other, remember there are no safe ways to take drugs.
Passengers looked horrified as the girl took the potentially lethal shortcut between platforms.