Knife legislation
Prime Minister Theresa May gave a statement on the rise in knife crime in the capital, following a special summit in Downing Street on the issue.
Teachers, nurses and police officers to be held accountable for failing to “spot warning signs”.
Nathaniel Armstrong died on the same street where TV presenter Jill Dando was murdered.
“This won’t even begin to paper over the deep cracks in the system.”
The primary school pupil stashed six weapons near places he regularly visited after falling out with another child.
Ofsted also found schools in London are not being supported in tackling the issue.
Chancellor also tells police to re-direct resources to fight knife crime.
But Sajid Javid insists "we have to listen" to police chiefs' call for extra cash.
Peguy Kato's 17-year-old son Champion died after he was stabbed 11 times in the head and chest.