Ten years for knifeman who left his friend in vegetative state

A teenager who left a 17-year-old college student blind and comatose after stabbing him in the heart during a petty row outside a supermarket has been jailed for ten years. Tyrese Osei-Kofi, 18, pulled out a knife and stabbed his friend Jamel Boyce just a few hours after they were laughing and joking together at a McDonald’s. Jamel, now 18, was nicknamed ‘Smiley’ by fellow pupils at St Francis Xavier sixth form college in south London, because of his upbeat…