Just hours after celebrating his sixteenth birthday, Jimmy Mizen was attacked and killed after getting into an argument near his home in south London. The schoolboy's parents wanted his death to mark a turning point in the fight against teenage violence.
For nearly six years, Barry and Margaret Mizen have worked tirelessly to improve the lives of young people - and today were honoured with an MBE at Buckingham Palace. Here's our Senior Correspondent, Ronke Phillips.
More top news
Rashan Charles, 20, died after being apprehended by Metropolitan Police officers after running into a shop in Dalston, east London.
The House of Commons Commission will consider how long the bongs should be halted following concerns raised by a number of MPs.
The chimes are being stopped to allow extensive renovation work to the Elizabeth Tower, the Great Clock and its bell.