Knife crime campaginer Renell Charles stabbed to death outside his school

A 17-year old who stabbed a young knife crime campaigner to death outside his school is facing a life sentence for murder. Renell Charles, 16, was chased and stabbed in the back by the killer outside Kelmscott School in Walthamstow on 5 May last year. The teenager, who cannot be named, was on bail at the time for threatening a moped rider with a machete. He faces a life sentence after he was convicted of murder by a jury at…