Ethan Ross Bonnar was left with horror injuries after crashing through the abandoned Dairy Crest building in Totnes.The 22-year-old, originally from Dunoon, lay undiscovered inside the building for more than 24 hours before he was found sparking a huge emergency operation.Ethan who had been living in Torquay, Devon, suffered fatal brain fractures and was flown by helicopter from the scene as medics desperately tried to save him.He was brought to Derriford major trauma centre in Plymouth where he