Teenager guilty of knifing this boy to death

A teenager who stabbed a 15-year-old boy to death is facing jail after a judge lamented the ‘endemic problem’ of knife crime in London. O’Neil Cameron, 19, knifed schoolboy Romario Opia in the chest in Holland Walk, Archway, north London, on 25 January last year. Jurors heard some car mechanics were working in the area when they saw three boys, including Romario, riding by on bikes. The workers then heard shouting and looked up to see the trio having a…