The world's fattest cat has heartbreakingly died at a feline cat camp where medics were trying to help him lose weight.<br /><br />Vets believe his layers of flab were so deep that scans had failed to show cancerous tumours riddling his internal organs.<br /><br />The puss, nicknamed Crumbs for his habit of eating every last scrap of food, had been raised on a diet of biscuits and soup in the basement of a Russian hospital before he was found.<br />Video: NewsX
