A depraved drug dealer who administered a deadly cocktail of illegal substances to his ex-partner's young daughter, causing her to suffer a cardiac arrest and die in his flat, has died in prison , the Prisons and Probation Ombudsman has confirmed. John Rytting was handed a 13-year sentence on child cruelty charges at Hull Crown Court in 2017, in connection with the death of little Poppy Widdison. The body of the four year old was heartbreakingly discovered at his Grimsby 'drug den' home in June