A dog owner has issued an urgent warning after the family's beloved pooch was poisoned by a small but highly toxic mushroom. Vera, a two-year-old beagle , became unwell after she ate a white cap mushroom that was growing in her owners' back garden. The tiny fungus had sprouted overnight, and appeared like one of those people buy from the supermarket , but it made Vera unwell within minutes of consumption. Pete Newby-Rogers, from Wigston, Leicestershire, told Leicestershire Live that his family