By Craig Lewis
BBC News Online
Campaigners say London could see its worst year for youth killings for more than a decade.
Chris and Ayesha spend time on the streets, finding out what is really happening in Britain's knife crime crisis.
City Hall has asked Sadiq Khan to show how effective his plans to tackle knife crime have been.
London’s Violence Reduction Unit (VRU) aims to tackle violent crime by taking a systematic public health approach.
Assembly member and Police and Crime Committee chairman Shaun Bailey called on the mayor to publish the cost and performance evaluations of all VRU projects and was backed by a majority.
He said: "We don’t know how the VRU is spending taxpayers’ cash and whether its projects are keeping London safe.
"With a budget nearing £30m, the mayor must provide us with a breakdown of the VRU’s expenditure and performance evaluations for its projects.
"This information is vital to the London Assembly’s scrutiny work. The mayor must provide it."
A spokesperson for the Mayor of London, said: “London’s VRU is leading an approach to tackling violence that is rooted in prevention and early intervention, and is a champion and a voice for young people and communities across London."
World Champion Boxer Dillian Whyte reveals he was stabbed three times as a teenager, before surprising two budding boxer fans, to encourage them to keep away from gang culture.
In 2013 Reggie Yates spent a week at a Cape Town hospital where, on any weekend, the doctors deal with up to 100 stabbings & assaults, with 80 per cent of those admitted under 25.
Boris Johnson has led tributes from the political world for Sir David Amess. The Prime Minister said he was one of the "one of the kindest, most gentle people in politics".