THE owner of a legal high shop has told a jury how he fought off a knife wielding attacker who tried to seize his takings.Granville Preston was driving home from his DamGood Head shop in Plymouth when he was allegedly assaulted by former schoolfriend Mark Luke to whom he was delivering mind altering powders.Former soldier Mr Preston told Exeter Crown Court how he used his training in unarmed combat to grab the flat edge of the seven in kitchen knife as it was held to his throat.Luke allegedly...
