A SCHOOLBOY has been crippled in a playground prank and may never be able to walk normally again.Robert Hansell suffered a dislocated and fractured kneecap after two fellow students at Uckfield Community Technology College launched an unprovoked attack on him as a joke.The 15-year-old, who is studying for his GSCEs, has been left immobile after he was the victim of a playground game called "takedown" or "take me out".Robert's mother Jane-Ann Davies says he was suddenly...
