Police Commissioner Bernard Hogan-Howe will visit a school in Edmonton today that was blighted by knife crime.
Negus McClean was stabbed to death by a gang a year ago, following a fight over a BlackBerry mobile phone.
More top news
'Football sized' rubbish tip blight the lives of New Cross locals
Three security staff at a Vauxhall nightclub have been cleared of manslaughter after a man they restrained passed out and later died
A family is homeless after a fire in their tumble dryer. The family had been in touch with the manufacturer after a recall notice went out.