Dr Mark Prince OBE has dedicated his life to steering young people away from knife crime since Kiyan, 15, was fatally stabbed trying to break up a fight outside his Edgware school 20 years ago
Dr Mark Prince OBE has dedicated his life to steering young people away from knife crime since Kiyan, 15, was fatally stabbed trying to break up a fight outside his Edgware school 20 years ago