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
London mayor Sadiq Khan is "extremely worried" about knife crime as Met Police revealed there was an increase in stabbings in the capital.
Camden police have responded to reports of an unexploded World War Two bomb in Hampstead high Street.
AFC Wimbledon face Plymouth in the League Two play-off final at Wembley, with a place in League One at stake.